loadpatents
name:-0.00047898292541504
name:-0.24484586715698
name:-0.00066804885864258
American Telephone and Telegraph Company, AT&T Bell Laboratories Patent Filings

American Telephone and Telegraph Company, AT&T Bell Laboratories

Patent Applications and Registrations

Patent applications and USPTO patent grants for American Telephone and Telegraph Company, AT&T Bell Laboratories.The latest application filed is for "concurrent resource request resolution mechanism".

Company Profile
0.200.0
  • American Telephone and Telegraph Company, AT&T Bell Laboratories - Murray Hill NJ
  • American Telephone and Telegraph Company, AT&T Bell Laboratories - New York NY
  • American Telephone and Telegraph Company, AT&T Bell Laboratories - Murry Hill NJ
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Concurrent resource request resolution mechanism
Grant 4,942,574 - Zelle July 17, 1
1990-07-17
Processes depending on plasma generation using a helical resonator
Grant 4,918,031 - Flamm , et al. April 17, 1
1990-04-17
Integrated circuit package using plastic encapsulant
Grant 4,916,522 - Cohn April 10, 1
1990-04-10
Hybrid laser for optical communications, and transmitter, system, and method
Grant 4,914,667 - Blonder , et al. April 3, 1
1990-04-03
Communication cable having water blocking strength members
Grant 4,913,517 - Arroyo , et al. April 3, 1
1990-04-03
Digital speech coder with different excitation types
Grant 4,912,764 - Hartwell , et al. March 27, 1
1990-03-27
Optical fiber fabrication and resulting product
Grant 4,909,816 - MacChesney , et al. March 20, 1
1990-03-20
Communication cable having water blocking provisions in core
Grant 4,909,592 - Arroyo , et al. March 20, 1
1990-03-20
Key telephone management system
Grant 4,905,274 - Cooper , et al. February 27, 1
1990-02-27
Methods of and systems for optical fiber sensing
Grant 4,904,050 - Dunn , et al. February 27, 1
1990-02-27
Method for aligning photomasks
Grant 4,904,087 - Harvey , et al. February 27, 1
1990-02-27
Analysis arrangement based on a model of human neural responses
Grant 4,905,285 - Allen , et al. February 27, 1
1990-02-27
Multi-media virtual circuit
Grant 4,905,231 - Leung , et al. February 27, 1
1990-02-27
Subassemblies for optoelectronic hybrid integrated circuits
Grant 4,904,036 - Blonder February 27, 1
1990-02-27
Power converter having parallel power switching systems coupled by an impedance inversion network
Grant 4,903,181 - Seidel February 20, 1
1990-02-20
Apparatus including resonant-tunneling device having multiple-peak current-voltage characteristics
Grant 4,902,912 - Capasso , et al. February 20, 1
1990-02-20
Polymer interconnect structure
Grant 4,902,857 - Cranston , et al. February 20, 1
1990-02-20
Bounded lag distributed discrete event simulation method and apparatus
Grant 4,901,260 - Lubachevsky February 13, 1
1990-02-13
Polarization insensitive optical communication device utilizing optical preamplification
Grant 4,900,917 - Dixon , et al. February 13, 1
1990-02-13
Biconic optical fiber connecting device having attenuator
Grant 4,900,124 - Lampert , et al. February 13, 1
1990-02-13
More efficient call handling for operator assistance calls
Grant 4,899,375 - Bauer , et al. February 6, 1
1990-02-06
Optical fiber connector
Grant 4,898,446 - Hinckley February 6, 1
1990-02-06
Self routing packet switching network architecture
Grant 4,899,335 - Johnson, Jr. , et al. February 6, 1
1990-02-06
Test interface circuit which generates different interface control signals for different target computers responding to control signals from host computer
Grant 4,899,306 - Greer February 6, 1
1990-02-06
Method and apparatus for providing personalized telephone subscriber features at remote locations
Grant 4,899,373 - Lee , et al. February 6, 1
1990-02-06
Architecture of the control of a high performance packet switching distribution network
Grant 4,899,333 - Roediger February 6, 1
1990-02-06
Call announcement arrangement
Grant 4,899,358 - Blakley February 6, 1
1990-02-06
Telecommunication system with subscriber controlled feature modification
Grant 4,897,866 - Majmudar , et al. January 30, 1
1990-01-30
Method of and an arrangement for forwarding a customer order
Grant 4,897,867 - Foster , et al. January 30, 1
1990-01-30
Patterning method in the manufacture of miniaturized devices
Grant 4,897,361 - Harriott , et al. January 30, 1
1990-01-30
Metropolitan area network arrangement for serving virtual data networks
Grant 4,897,874 - Lidinsky , et al. January 30, 1
1990-01-30
Identification and authentication of end user systems for packet communications network services
Grant 4,896,319 - Lidinsky , et al. January 23, 1
1990-01-23
Test circuit for measuring specific contact resistivity of self-aligned contacts in integrated circuits
Grant 4,896,108 - Lynch , et al. January 23, 1
1990-01-23
Password controlled switching system
Grant 4,896,346 - Belfield , et al. January 23, 1
1990-01-23
Infrared-radiation detector device
Grant 4,894,526 - Bethea , et al. January 16, 1
1990-01-16
Control network for a rapid connection circuit switch
Grant 4,894,824 - Hemmady , et al. January 16, 1
1990-01-16
Strengthened buffered optical fiber
Grant 4,893,893 - Claxton , et al. January 16, 1
1990-01-16
Method and apparatus for restricting credit card communication calls
Grant 4,893,330 - Franco January 9, 1
1990-01-09
Capacitive incremental position measurement and motion control
Grant 4,893,071 - Miller January 9, 1
1990-01-09
Medical information system
Grant 4,893,270 - Beck , et al. January 9, 1
1990-01-09
Article comprising an opto-electronic device and an optical waveguide coupled thereto, and method of making the article
Grant 4,892,374 - Ackerman , et al. January 9, 1
1990-01-09
Call forwarding arrangement
Grant 4,893,336 - Wuthnow January 9, 1
1990-01-09
Arrangement for switching concentrated telecommunications packet traffic
Grant 4,893,302 - Hemmady , et al. January 9, 1
1990-01-09
Processes involving lithographic materials
Grant 4,892,617 - Bates , et al. January 9, 1
1990-01-09
Multi-channel signal transmission
Grant 4,891,840 - Reudink January 2, 1
1990-01-02
Electro-optic measurements of voltage waveforms on electrical conductors
Grant 4,891,580 - Valdmanis January 2, 1
1990-01-02
Semiconductor devices employing high resistivity in-based compound group III-IV epitaxial layer for current confinement
Grant 4,888,624 - Johnston, Jr. , et al. * December 19, 1
1989-12-19
Pipeline arithmetic adder and multiplier
Grant 4,887,233 - Cash , et al. December 12, 1
1989-12-12
Method of making silicides by heating in oxygen to remove contamination
Grant 4,886,765 - Chen , et al. December 12, 1
1989-12-12
Feed forward linear amplifier
Grant 4,885,551 - Myer December 5, 1
1989-12-05
Method of and apparatus for establishing a wideband communication facility through a switched communications network having narrow bandwidth time division multiplexed channels
Grant 4,885,738 - Bowers , et al. December 5, 1
1989-12-05
Optical communications system comprising raman amplification means
Grant 4,881,790 - Mollenauer November 21, 1
1989-11-21
Self-adjusting optical fiber connector assembly
Grant 4,881,792 - Alameel , et al. November 21, 1
1989-11-21
Optical fiber connector and methods of making
Grant 4,880,291 - Aberson, Jr. , et al. November 14, 1
1989-11-14
Bismuth-lead-strontium-calcium-cuprate superconductors
Grant 4,880,771 - Cava , et al. November 14, 1
1989-11-14
Process for controlling solder joint geometry when surface mounting a leadless integrated circuit package on a substrate
Grant 4,878,611 - LoVasco , et al. November 7, 1
1989-11-07
Optical fiber bidirectional transmission system
Grant 4,879,763 - Wood November 7, 1
1989-11-07
DPSK carrier acquisition and tracking arrangement
Grant 4,879,728 - Tarallo November 7, 1
1989-11-07
Forced encapsulation means for a cable
Grant 4,875,952 - Mullin , et al. October 24, 1
1989-10-24
Animal-resistant cable
Grant 4,874,219 - Arroyo , et al. October 17, 1
1989-10-17
Automatic rerouting of calls through data buses
Grant 4,875,037 - Escolar October 17, 1
1989-10-17
Neural networks
Grant 4,875,183 - Graf , et al. October 17, 1
1989-10-17
Apparatus comprising a high-vacuum chamber
Grant 4,873,833 - Pfeiffer , et al. October 17, 1
1989-10-17
Connector assembly having a latching mechanism
Grant 4,872,736 - Myers , et al. October 10, 1
1989-10-10
Amplifier with modulated resistor gain control
Grant 4,873,492 - Myer October 10, 1
1989-10-10
Call coverage arrangement
Grant 4,873,717 - Davidson , et al. October 10, 1
1989-10-10
Local area network cabling arrangement
Grant 4,873,393 - Friesen , et al. October 10, 1
1989-10-10
Integrated packetized voice and data switching system
Grant 4,872,160 - Hemmady , et al. October 3, 1
1989-10-03
Architecture and organization of a high performance metropolitan area telecommunications packet network
Grant 4,872,157 - Hemmady , et al. October 3, 1
1989-10-03
Optical system including etalon for optically processing electromagnetic radiation at a repetition rate greater than about 1.25.times.10.sup.4 Hz
Grant 4,871,235 - Greene , et al. October 3, 1
1989-10-03
Packet network architecture for providing rapid response time
Grant 4,872,159 - Hemmady , et al. October 3, 1
1989-10-03
Distributed control rapid connection circuit switch
Grant 4,872,158 - Richards October 3, 1
1989-10-03
Tranverse mode control in solid state lasers
Grant 4,870,649 - Bobeck , et al. September 26, 1
1989-09-26
Circuit for suppression of leading edge spike switched current
Grant 4,866,588 - Rene September 12, 1
1989-09-12
Interexchange carrier automatic route selection system
Grant 4,866,763 - Cooper , et al. September 12, 1
1989-09-12
Thin film shape memory alloy and method for producing
Grant 4,864,824 - Gabriel , et al. September 12, 1
1989-09-12
Opto-electronic and optical fiber interface arrangement
Grant 4,861,134 - Alameel , et al. August 29, 1
1989-08-29
Semiconductor heterostructures having Ge.sub.x Si.sub.1-x layers on Si utilizing molecular beam epitaxy
Grant 4,861,393 - Bean , et al. August 29, 1
1989-08-29
Portable computer terminal housing for accessing and inputting patient medical data
Grant D303,111 - Paley August 29, 1
1989-08-29
Method and apparatus for identifying location of a lost token signal in a data communication network
Grant 4,860,284 - Brown , et al. August 22, 1
1989-08-22
Nonlinear optical materials and devices
Grant 4,859,876 - Dirk , et al. August 22, 1
1989-08-22
Laser controlled by a multiple-layer heterostructure
Grant 4,860,296 - Chemla , et al. August 22, 1
1989-08-22
Semiconductor devices and methods of making such devices
Grant 4,860,068 - Gossard , et al. August 22, 1
1989-08-22
Laser-blown links
Grant 4,853,758 - Fischer August 1, 1
1989-08-01
Optical fiber biconic connector
Grant 4,852,963 - Lampert August 1, 1
1989-08-01
Composite service and distribution communications media
Grant 4,852,965 - Mullin , et al. August 1, 1
1989-08-01
Narrow-linewidth resonant optical device, transmitter, system, and method
Grant 4,852,960 - Alferness , et al. August 1, 1
1989-08-01
Universal protocol data receiver
Grant 4,852,127 - Fraser , et al. July 25, 1
1989-07-25
Fabricating a semiconductor device with low defect density oxide
Grant 4,851,370 - Doklan , et al. July 25, 1
1989-07-25
Metallization for integrated devices
Grant 4,851,895 - Green , et al. July 25, 1
1989-07-25
Speech recognition by acoustic/phonetic system and technique
Grant 4,852,180 - Levinson July 25, 1
1989-07-25
CMOS Integrated circuit digital crossbar switching arrangement
Grant 4,849,751 - Barber , et al. July 18, 1
1989-07-18
Solution monitoring procedure
Grant 4,844,608 - Smith July 4, 1
1989-07-04
Method of overlaying virtual tree networks onto a message passing parallel processing network
Grant 4,845,744 - DeBenedictis July 4, 1
1989-07-04
Feeder monitor arrangement for stored program controlled rectifier plant
Grant 4,845,637 - Basarath , et al. July 4, 1
1989-07-04
Optical fiber cable
Grant 4,844,575 - Kinard , et al. July 4, 1
1989-07-04
Interconnection technique using dielectric layers
Grant 4,843,191 - Thomas June 27, 1
1989-06-27
Optical fiber splice organizer
Grant 4,840,449 - Ghandeharizadeh June 20, 1
1989-06-20
Method and apparatus for accessing data from data attribute tables
Grant 4,841,433 - Hakim , et al. June 20, 1
1989-06-20
Method and apparatus for verifying the continuity between a circuit board and a test fixture
Grant 4,841,240 - Hsue , et al. June 20, 1
1989-06-20
Fabrication of high-silica glass article
Grant 4,840,653 - Rabinovich June 20, 1
1989-06-20
Thermal conductor assembly
Grant 4,838,347 - Dentini , et al. June 13, 1
1989-06-13
Clock skew correction arrangement
Grant 4,839,907 - Saneski June 13, 1
1989-06-13
Semiconductor devices having superconducting interconnects
Grant 4,837,609 - Gurvitch , et al. June 6, 1
1989-06-06
Depressed cladding optical fiber cable
Grant 4,836,640 - Gartside, III , et al. June 6, 1
1989-06-06
Optical fiber sensors for chemical detection
Grant 4,834,496 - Blyler, Jr. , et al. May 30, 1
1989-05-30
Trench gate structures
Grant 4,835,585 - Panousis May 30, 1
1989-05-30
Squaring circuits in MOS integrated circuit technology
Grant 4,835,421 - Khoury , et al. May 30, 1
1989-05-30
Fabrication of dielectrically isolated devices with buried conductive layers
Grant 4,835,113 - Celler , et al. May 30, 1
1989-05-30
Method and apparatus for controlled removal and insertion of circuit modules
Grant 4,835,737 - Herrig , et al. May 30, 1
1989-05-30
Gas plasma display
Grant 4,833,463 - Dick , et al. May 23, 1
1989-05-23
Optical switch
Grant 4,830,444 - Cloonan , et al. May 16, 1
1989-05-16
Integrated circuit resistor
Grant 4,830,976 - Morris , et al. May 16, 1
1989-05-16
In-place diagnosable electronic circuit board
Grant 4,829,520 - Toth May 9, 1
1989-05-09
High speed cosine transform
Grant 4,829,465 - Knauer May 9, 1
1989-05-09
Process for making indium gallium arsenide devices
Grant 4,829,347 - Cheng , et al. May 9, 1
1989-05-09
Hot electron transistor
Grant 4,829,343 - Levi May 9, 1
1989-05-09
Digital speech processor using arbitrary excitation coding
Grant 4,827,517 - Atal , et al. May 2, 1
1989-05-02
Transistor sizing system for integrated circuits
Grant 4,827,428 - Dunlop , et al. May 2, 1
1989-05-02
Means for coupling an optical fiber to an opto-electronic device
Grant 4,826,272 - Pimpinella , et al. May 2, 1
1989-05-02
Devices involving silicon glasses
Grant 4,826,709 - Ryan , et al. May 2, 1
1989-05-02
Call control of a distributed processing communications switching system
Grant 4,827,499 - Warty , et al. May 2, 1
1989-05-02
Automatic speech recognition to select among call destinations
Grant 4,827,500 - Binkerd , et al. May 2, 1
1989-05-02
Method of file access in a distributed processing computer network
Grant 4,825,354 - Agrawal , et al. April 25, 1
1989-04-25
Radiation hardened semiconductor devices
Grant 4,825,278 - Hillenius , et al. April 25, 1
1989-04-25
Transistor
Grant 4,825,265 - Lunardi , et al. April 25, 1
1989-04-25
Fabrication of FETs with source and drain contacts aligned with the gate electrode
Grant 4,822,754 - Lynch , et al. * April 18, 1
1989-04-18
Reconfigurable dual processor system
Grant 4,823,256 - Bishop , et al. April 18, 1
1989-04-18
Noise controlled output buffer
Grant 4,823,029 - Gabara April 18, 1
1989-04-18
High-frequency resonant power converter
Grant 4,823,249 - Garcia, II April 18, 1
1989-04-18
Control information communication arrangement for a distributed control switching system
Grant 4,821,259 - DeBruler , et al. April 11, 1
1989-04-11
Method and apparatus for measuring the temperature profile of a surface
Grant 4,819,658 - Kolodner April 11, 1
1989-04-11
Cable closure and methods of assembling
Grant 4,820,007 - Ross , et al. April 11, 1
1989-04-11
Endpoint detector
Grant 4,821,325 - Martin , et al. April 11, 1
1989-04-11
Digital phase locked loop clock recovery scheme
Grant 4,821,297 - Bergmann , et al. April 11, 1
1989-04-11
Fabrication of CPI layers
Grant 4,820,376 - Lambert , et al. April 11, 1
1989-04-11
Optical connector
Grant 4,818,058 - Bonanni April 4, 1
1989-04-04
Optical fiber building cables
Grant 4,818,060 - Arroyo April 4, 1
1989-04-04
Crosspoint switching system using control rings with fast token circulation
Grant 4,817,082 - Orsic March 28, 1
1989-03-28
Rearrangeable multiconnection switching networks employing both space division and time division switching
Grant 4,817,083 - Richards March 28, 1
1989-03-28
Method and apparatus for direct color printing
Grant 4,816,846 - Kollarits March 28, 1
1989-03-28
Method of making devices having thin dielectric layers
Grant 4,814,291 - Kim , et al. March 21, 1
1989-03-21
Programmable memory-based arbitration system for implementing fixed and flexible priority arrangements
Grant 4,814,974 - Narayanan , et al. March 21, 1
1989-03-21
Nonlinear and bistable optical device
Grant RE32,893 - Miller March 21, 1
1989-03-21
Optical fiber connector
Grant 4,812,009 - Carlisle , et al. March 14, 1
1989-03-14
Method of making an article comprising a tandem groove, and article produced by the method
Grant 4,810,557 - Blonder March 7, 1
1989-03-07
Toll fraud control
Grant 4,811,378 - Else , et al. March 7, 1
1989-03-07
Monolithic capacitor-varistor
Grant 4,811,164 - Ling , et al. March 7, 1
1989-03-07
Vector DPCM image coding method and apparatus
Grant 4,811,112 - Rutledge March 7, 1
1989-03-07
Optical fiber cable having fluted strength member core
Grant 4,807,962 - Arroyo , et al. February 28, 1
1989-02-28
Polysilicon fillet
Grant 4,807,013 - Manocha February 21, 1
1989-02-21
Method of spare capacity use for fault detection in a multiprocessor system
Grant 4,807,228 - Dahbura , et al. February 21, 1
1989-02-21
Time-varying trellis-coded modulation formats which are robust in channels with phase variations
Grant 4,807,253 - Hagenauer , et al. February 21, 1
1989-02-21
Cordless accessed high-speed high-capacity local area networks
Grant 4,807,222 - Amitay February 21, 1
1989-02-21
High frequency connector
Grant 4,806,107 - Arnold , et al. February 21, 1
1989-02-21
Switch path reservation arrangement
Grant 4,805,166 - Ardon , et al. February 14, 1
1989-02-14
Method of and arrangement for ordering of multiprocessor operations in a multiprocessor system with redundant resources
Grant 4,805,106 - Pfeifer February 14, 1
1989-02-14
Preservation of surface features on semiconductor surfaces
Grant 4,805,178 - Wilt February 14, 1
1989-02-14
Optical fiber tap
Grant 4,802,723 - Miller February 7, 1
1989-02-07
Fast significant sample detection for a pitch detector
Grant 4,803,730 - Thomson February 7, 1
1989-02-07
Growth of congruently melting gadolinium scandium gallium garnet
Grant 4,802,180 - Brandle, Jr. , et al. January 31, 1
1989-01-31
Method and apparatus for multi-channel communication security
Grant 4,802,220 - Marker, Jr. January 31, 1
1989-01-31
Technique for repelling carriers in optical communications to minimize mutual interference
Grant 4,800,555 - Foschini January 24, 1
1989-01-24
Three time slot digital subscriber line termination
Grant 4,799,217 - Fang January 17, 1
1989-01-17
Latch/switch for securing a circuit modules into a housing with accompanying circuit switching
Grant 4,798,923 - Barwick , et al. January 17, 1
1989-01-17
Digital speech vocoder
Grant 4,797,926 - Bronson , et al. January 10, 1
1989-01-10
Mesh-based switching network
Grant 4,797,882 - Maxemchuk January 10, 1
1989-01-10
Packet switched interconnection protocols for a star configured optical lan
Grant 4,797,879 - Habbab , et al. January 10, 1
1989-01-10
Telecommunication protector unit with pivotal surge protector
Grant 4,796,150 - Dickey , et al. January 3, 1
1989-01-03
Method and apparatus for drawing antialiased lines and polygons
Grant 4,796,020 - Budrikis , et al. January 3, 1
1989-01-03
Optical mixer for upconverting or downconverting an optical signal
Grant 4,794,351 - Darcie December 27, 1
1988-12-27
Heterojunction bipolar transistor
Grant 4,794,440 - Capasso , et al. December 27, 1
1988-12-27
Call screening in a public telephone station
Grant 4,794,642 - Arbabzadah , et al. December 27, 1
1988-12-27
Apparatus comprising Raman-active optical fiber
Grant 4,790,619 - Lines , et al. December 13, 1
1988-12-13
Resisting the effects of channel noise in digital transmission of information
Grant 4,791,654 - De Marca , et al. December 13, 1
1988-12-13
Controlling key-system groups from a distributed control switching system
Grant 4,791,662 - Ahnen , et al. December 13, 1
1988-12-13
Call charging arrangement
Grant 4,791,640 - Sand December 13, 1
1988-12-13
Integrated circuit with channel length indicator
Grant 4,789,825 - Carelli , et al. December 6, 1
1988-12-06
Speech processing feature generation arrangement
Grant 4,790,017 - Hinton December 6, 1
1988-12-06
Switching techniques for FDM communication systems
Grant 4,789,980 - Darcie , et al. December 6, 1
1988-12-06
Wireless network for wideband indoor communications
Grant 4,789,983 - Acampora , et al. December 6, 1
1988-12-06
Devices having low loss curved or tapered optical waveguides
Grant 4,787,689 - Korotky , et al. November 29, 1
1988-11-29
Trellis coding with substrates
Grant 4,788,694 - Calderbank November 29, 1
1988-11-29
Duplex optical fiber connector
Grant 4,787,706 - Cannon, Jr. , et al. November 29, 1
1988-11-29
Passive star coupler
Grant 4,787,693 - Kogelnik , et al. November 29, 1
1988-11-29
Announcing waiting times in queuing systems
Grant 4,788,715 - Lee November 29, 1
1988-11-29
Optical system including device for optically processing electromagnetic radiation at a repetition rate greater than about 1.25.times.10.sup.4 Hz
Grant 4,787,714 - Greene , et al. November 29, 1
1988-11-29
Electro optical switch architectures
Grant 4,787,692 - Spanke November 29, 1
1988-11-29
High-power, fundamental transverse mode laser
Grant 4,787,086 - Dentai , et al. November 22, 1
1988-11-22
Data flow control arrangement for local area network
Grant 4,787,082 - Delaney , et al. November 22, 1
1988-11-22
Magneto-electric sensor device and sensing method using a sensor element comprising a 2-phase decomposed microstructure
Grant 4,785,244 - Jin , et al. November 15, 1
1988-11-15
Process for manufacturing semiconductor BICMOS device
Grant 4,784,971 - Chiu , et al. November 15, 1
1988-11-15
Method for fabricating a field-effect transistor with a self-aligned gate
Grant 4,784,967 - Cunningham , et al. November 15, 1
1988-11-15
Hidden Markov model speech recognition arrangement
Grant 4,783,804 - Juang , et al. November 8, 1
1988-11-08
Automatic speech recognizer for real time operation
Grant 4,783,809 - Glinski November 8, 1
1988-11-08
Computing apparatus comprising a programmable resistor
Grant 4,782,460 - Spencer November 1, 1
1988-11-01
Field-effect transistor having a delta-doped ohmic contact
Grant 4,780,748 - Cunningham , et al. October 25, 1
1988-10-25
Liquid crystal device with chemically-induced high-tilt alignment coating
Grant 4,776,674 - Filas , et al. October 11, 1
1988-10-11
Method of producing an optical fiber
Grant 4,775,401 - Fleming , et al. October 4, 1
1988-10-04
Communication services method and apparatus
Grant 4,776,004 - Bauer , et al. October 4, 1
1988-10-04

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.

© 2024 USPTO.report | Privacy Policy | Resources | RSS Feed of Trademarks | Trademark Filings Twitter Feed