International Telephone and Telegraph Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for International Telephone and Telegraph Corporation.The latest application filed is for "fiber optic contact".
Company Profile
0.200.0
- International Telephone and Telegraph Corporation - New York NY
- International Telephone & Telegraph Corp. - New York NY
- International Telephone and Telegraph Corporation - DE
- International Telephone and Telegraph Corporation - Chicago IL
- International Telephone and Telegraph Corporation - Nutley NJ
Patent Activity
| Patent | Date |
|---|---|
| Fiber optic contact Grant 4,747,658 - Borsuk , et al. May 31, 1 | 1988-05-31 |
| Baseband demodulator for FM and/or AM signals Grant 4,677,690 - Reed * June 30, 1 | 1987-06-30 |
| Wavelength division optical multiplexer/demultiplexer Grant 4,643,519 - Bussard , et al. February 17, 1 | 1987-02-17 |
| Optical amplifier Grant 4,628,273 - Vlasak December 9, 1 | 1986-12-09 |
| Keyboard or similar article Grant D284,574 - Fischer July 8, 1 | 1986-07-08 |
| Multiple fiber linear array and method of making same Grant 4,598,975 - Bussard , et al. July 8, 1 | 1986-07-08 |
| Modular wall phone latching mechanism Grant 4,588,866 - Monti May 13, 1 | 1986-05-13 |
| Electrical connector embodying electrical circuit components Grant 4,582,385 - Couper , et al. April 15, 1 | 1986-04-15 |
| Zero IF receiver AM/FM/PM demodulator using sampling techniques Grant 4,577,157 - Reed March 18, 1 | 1986-03-18 |
| Data processing apparatus and method for use in speech recognition Grant 4,567,606 - Vensko , et al. January 28, 1 | 1986-01-28 |
| Cellular mobile radio service telephone system Grant 4,562,572 - Goldman , et al. December 31, 1 | 1985-12-31 |
| Arrangement to provide an accurate time-of-arrival indication for a plurality of received signals Grant 4,559,607 - Lu December 17, 1 | 1985-12-17 |
| Combination tool Grant 4,551,875 - Getz , et al. November 12, 1 | 1985-11-12 |
| Self-locking connector Grant 4,552,427 - Landgreen November 12, 1 | 1985-11-12 |
| High speed operational recurring signature evaluator for digital equipment tester Grant 4,551,837 - Goegelein , et al. November 5, 1 | 1985-11-05 |
| Low loss fused biconical taper optic coupler Grant 4,550,974 - Murphy November 5, 1 | 1985-11-05 |
| Swimming pool filtering system Grant 4,545,906 - Frederick * October 8, 1 | 1985-10-08 |
| Associative array with transversal horizontal multiplexers Grant 4,546,428 - Morton October 8, 1 | 1985-10-08 |
| Valve solenoid windings Grant 4,536,728 - Cyrot August 20, 1 | 1985-08-20 |
| Impedance restoration for fast carry propagation Grant 4,536,855 - Morton August 20, 1 | 1985-08-20 |
| Electrical connector grounding ring Grant 4,531,790 - Selvin July 30, 1 | 1985-07-30 |
| Digital to analog converter employing sigma-delta modulation for use in telephone systems Grant 4,528,551 - Agrawal , et al. July 9, 1 | 1985-07-09 |
| Multiparty line adapter with privacy feature controlled by reversal of line polarity at a central power source Grant 4,528,424 - Middleton , et al. July 9, 1 | 1985-07-09 |
| Fiber optic contact retention assembly Grant 4,516,829 - Borsuk , et al. May 14, 1 | 1985-05-14 |
| Electrical connector locking mechanism Grant 4,516,821 - Nieman May 14, 1 | 1985-05-14 |
| Handset telephone Grant D278,053 - Menn , et al. March 19, 1 | 1985-03-19 |
| Load sensors Grant 4,503,715 - Greenwood March 12, 1 | 1985-03-12 |
| Zero insertion force socket Grant 4,501,461 - Anhalt February 26, 1 | 1985-02-26 |
| Symmetrically clamped fiber optic receiver Grant 4,499,609 - Muska February 12, 1 | 1985-02-12 |
| Circuit for interfacing a processor to a line circuit Grant 4,495,614 - Aro , et al. January 22, 1 | 1985-01-22 |
| Seat belt anchoring apparatus Grant 4,488,754 - Heesch , et al. December 18, 1 | 1984-12-18 |
| Suspensions containing microfibrillated cellulose Grant 4,487,634 - Turbak , et al. December 11, 1 | 1984-12-11 |
| Combining and splitting of voice and data from multiple terminal sources and electronic PABX for same Grant 4,488,287 - Carter , et al. December 11, 1 | 1984-12-11 |
| Asynchronous digital TDM multiplexer-demultiplexer combination Grant 4,488,293 - Haussmann , et al. December 11, 1 | 1984-12-11 |
| Redispersible microfibrillated cellulose Grant 4,481,076 - Herrick November 6, 1 | 1984-11-06 |
| Corrugated antenna feed horn with means for radiation pattern control Grant 4,477,816 - Cho October 16, 1 | 1984-10-16 |
| Channel monitor for connection to channel lines Grant 4,477,873 - McCarley October 16, 1 | 1984-10-16 |
| Baseband demodulator for FM signals Grant 4,476,585 - Reed October 9, 1 | 1984-10-09 |
| Circumferential grounding and shielding spring for an electrical connector Grant 4,470,657 - Deacon September 11, 1 | 1984-09-11 |
| Rotary annular signal data coupler Grant 4,466,695 - Kruger August 21, 1 | 1984-08-21 |
| Broad-band printed-circuit balun employing coupled-strip all pass filters Grant 4,460,877 - Sterns July 17, 1 | 1984-07-17 |
| Mold for use in metal or metal alloy casting systems Grant 4,457,354 - Dantzig , et al. July 3, 1 | 1984-07-03 |
| Telephone line circuit and system Grant 4,456,991 - Chea, Jr. , et al. June 26, 1 | 1984-06-26 |
| Digital switching network Grant 4,456,987 - Wirsing June 26, 1 | 1984-06-26 |
| Cordless telephone system Grant D274,243 - Asaki , et al. June 12, 1 | 1984-06-12 |
| High voltage operational amplifier Grant 4,453,134 - Pernyeszi June 5, 1 | 1984-06-05 |
| Suspensions containing microfibrillated cellulose Grant 4,452,721 - Turbak , et al. June 5, 1 | 1984-06-05 |
| Method and apparatus for casting metals and alloys Grant 4,450,893 - Winter , et al. May 29, 1 | 1984-05-29 |
| Asynchronous integrated voice and data communication system Grant 4,450,554 - Steensma , et al. May 22, 1 | 1984-05-22 |
| Night vision imaging system adapted for helmet mounting Grant 4,449,787 - Burbo , et al. May 22, 1 | 1984-05-22 |
| Motor mount structure for vehicle seat adjustment apparatus Grant 4,448,381 - Anspaugh , et al. May 15, 1 | 1984-05-15 |
| Fiber optic connector Grant 4,448,478 - Matthews , et al. May 15, 1 | 1984-05-15 |
| Fiber optic cable clamp Grant 4,447,120 - Borsuk May 8, 1 | 1984-05-08 |
| Static pressure sensor with glass bonded strain gauge transducers Grant 4,445,385 - Endo May 1, 1 | 1984-05-01 |
| Apparatus and methods of call clearing in a packet switched data communications network Grant 4,443,875 - Blausten April 17, 1 | 1984-04-17 |
| Fabrication of optical waveguides using slurry deposition Grant 4,443,239 - Biswas , et al. April 17, 1 | 1984-04-17 |
| Fabrication of optical preforms by axial chemical vapor deposition Grant 4,440,558 - Nath , et al. April 3, 1 | 1984-04-03 |
| Aerial refueling boom nozzle Grant 4,438,793 - Brown March 27, 1 | 1984-03-27 |
| Dynamically programmable processing element Grant 4,439,839 - Kneib , et al. March 27, 1 | 1984-03-27 |
| Printed circuit assembly for a card file packaging system Grant 4,439,815 - Close , et al. March 27, 1 | 1984-03-27 |
| Diagnostic system for a distributed control switching network Grant 4,439,826 - Lawrence , et al. March 27, 1 | 1984-03-27 |
| Telephone security system for cordless telephony Grant 4,436,957 - Mazza , et al. March 13, 1 | 1984-03-13 |
| Analog subscriber/trunk module with shared ringing source and ring-trip Grant 4,435,803 - Das , et al. March 6, 1 | 1984-03-06 |
| Telephone console Grant D272,906 - Heinzelman , et al. March 6, 1 | 1984-03-06 |
| Secure fiber optic data transmission system Grant 4,435,850 - Bowen , et al. March 6, 1 | 1984-03-06 |
| Vehicle seat track apparatus Grant 4,432,583 - Russo , et al. February 21, 1 | 1984-02-21 |
| Optical data bus receiver with signal waveform restoring means Grant 4,431,916 - Couch February 14, 1 | 1984-02-14 |
| Fiber optic splitter Grant 4,431,261 - Kozikowski February 14, 1 | 1984-02-14 |
| Oxyhydrogen flame torch for optical fiber drawing Grant 4,428,760 - Oh January 31, 1 | 1984-01-31 |
| Printed circuit mounting apparatus especially for use in luminaires Grant 4,429,348 - Dean January 31, 1 | 1984-01-31 |
| Method of fabricating a low loss fused biconical taper fiber optic coupler Grant 4,426,215 - Murphy January 17, 1 | 1984-01-17 |
| Method of thickening solutions using normally nongelling clays Grant 4,422,855 - Sawyer, Jr. December 27, 1 | 1983-12-27 |
| Swimming pool filtering system Grant 4,421,643 - Frederick December 20, 1 | 1983-12-20 |
| Multiple beam antenna feed arrangement for generating an arbitrary number of independent steerable nulls Grant 4,408,205 - Hockham October 4, 1 | 1983-10-04 |
| Telephone station circuit using digital tone generation Grant 4,406,926 - Duncan September 27, 1 | 1983-09-27 |
| Multi-purpose telephone holder apparatus Grant 4,406,928 - MacKenzie September 27, 1 | 1983-09-27 |
| Field repairable electrical connector Grant 4,402,566 - Powell , et al. September 6, 1 | 1983-09-06 |
| Automatic protection apparatus for span lines employed in high speed digital systems Grant 4,393,493 - Edwards July 12, 1 | 1983-07-12 |
| Lightweight ladder Grant 4,388,983 - Bartels , et al. June 21, 1 | 1983-06-21 |
| Method of rejacketing a fusion splice in an ultraviolet light curable resin jacketed optical fiber Grant 4,389,428 - McDuffee , et al. June 21, 1 | 1983-06-21 |
| Luminaire for roadway lighting Grant 4,388,680 - Moore June 14, 1 | 1983-06-14 |
| Subscriber line interface circuit with impedance synthesizer Grant 4,387,273 - Chea, Jr. June 7, 1 | 1983-06-07 |
| Automatic equalizer for synthesizing recursive filters Grant 4,386,430 - Treiber May 31, 1 | 1983-05-31 |
| Low-noise valve trim Grant 4,384,592 - Ng May 24, 1 | 1983-05-24 |
| Distributed control memory network Grant 4,379,950 - Ahmed April 12, 1 | 1983-04-12 |
| Time slot interchanger and control processor apparatus for use in a telephone switching network Grant 4,377,859 - Dunning , et al. March 22, 1 | 1983-03-22 |
| Packet-switched data communication system Grant RE31,182 - Crager , et al. March 15, 1 | 1983-03-15 |
| Microfibrillated cellulose Grant 4,374,702 - Turbak , et al. February 22, 1 | 1983-02-22 |
| Connector and cable assembly Grant 4,373,777 - Borsuk , et al. February 15, 1 | 1983-02-15 |
| Process for the secondary treatment of wastewater Grant 4,374,027 - Severeid , et al. February 15, 1 | 1983-02-15 |
| Flowmeter Grant 4,372,168 - Watson February 8, 1 | 1983-02-08 |
| Filter connector and method of assembly thereof Grant 4,371,226 - Brancaleone February 1, 1 | 1983-02-01 |
| High voltage charge-regulating power supply for a pulsed load Grant 4,371,830 - Loucks February 1, 1 | 1983-02-01 |
| Pressure booster system with low-flow shut-down control Grant 4,371,315 - Shikasho February 1, 1 | 1983-02-01 |
| Bypass apparatus for use in secure communication systems Grant 4,368,357 - Gurak January 11, 1 | 1983-01-11 |
| Connector panel for an electronic cabinet Grant 4,361,372 - Majkrzak , et al. November 30, 1 | 1982-11-30 |
| Multiport optical communication system and optical star structure therefor Grant 4,360,248 - Bickel , et al. November 23, 1 | 1982-11-23 |
| FM Transmitter with frequency ramp phase and amplitude correction means Grant 4,359,779 - Levine November 16, 1 | 1982-11-16 |
| Molded plastic product having a plastic substrate containing a filler and an in-mold plastic coating firmly bonded thereon and a process for its manufacture Grant 4,356,230 - Emanuel , et al. October 26, 1 | 1982-10-26 |
| Collapsible mandrel for precise winding of a coil Grant 4,354,645 - Glavas , et al. October 19, 1 | 1982-10-19 |
| Stress-induced birefringent single mode optical fiber and a method of fabricating the same Grant 4,354,736 - Maklad , et al. October 19, 1 | 1982-10-19 |
| Molded plastic part Grant 4,350,739 - Mohiuddin * September 21, 1 | 1982-09-21 |
| Self-compensation gasket for grooved end pipe couplings Grant 4,350,350 - Blakeley September 21, 1 | 1982-09-21 |
| Integrated oil-less high capacity air compressor Grant 4,350,475 - Meece , et al. September 21, 1 | 1982-09-21 |
| Programmable ring signal generator Grant 4,349,703 - Chea, Jr. September 14, 1 | 1982-09-14 |
| Vibration instruments Grant 4,349,881 - November , et al. September 14, 1 | 1982-09-14 |
| Electrical connector Grant 4,345,808 - Ingham August 24, 1 | 1982-08-24 |
| Omnispectravision Grant 4,343,020 - Stapleton August 3, 1 | 1982-08-03 |
| Food products containing microfibrillated cellulose Grant 4,341,807 - Turbak , et al. July 27, 1 | 1982-07-27 |
| Coaxial electrical connector Grant 4,340,269 - McGeary July 20, 1 | 1982-07-20 |
| Conferencing apparatus and methods for a frequency division multiplex communications system Grant 4,339,816 - Reed July 13, 1 | 1982-07-13 |
| LED/CCD Multiplexer and infrared image converter Grant 4,338,627 - Stapleton July 6, 1 | 1982-07-06 |
| Contact retention assembly Grant 4,333,703 - Anhalt , et al. June 8, 1 | 1982-06-08 |
| Hydrotherapy device, method and apparatus Grant 4,330,412 - Frederick May 18, 1 | 1982-05-18 |
| Expansible compact telephone Grant D264,465 - MacKenzie May 18, 1 | 1982-05-18 |
| Multiple shipboard antenna configuration Grant 4,329,690 - Parker May 11, 1 | 1982-05-11 |
| Elastic storage and synchronization control apparatus for use in a telephone switching system Grant 4,323,790 - Dunning , et al. April 6, 1 | 1982-04-06 |
| Transmitter-receiver synchronizer Grant 4,322,844 - Fellinger , et al. March 30, 1 | 1982-03-30 |
| Method of baking firm bread Grant 4,318,931 - Schiffmann , et al. March 9, 1 | 1982-03-09 |
| Subscriber line interface circuit utilizing impedance synthesizer and shared voltage source for loop current regulation control Grant 4,317,963 - Chea, Jr. March 2, 1 | 1982-03-02 |
| Method and apparatus for determining the location of an arc in a waveguide transmission line or the like Grant 4,316,139 - Root February 16, 1 | 1982-02-16 |
| Multiple line telephone instrument Grant 4,315,110 - Davis February 9, 1 | 1982-02-09 |
| Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems Grant 4,315,106 - Chea, Jr. February 9, 1 | 1982-02-09 |
| Optical fiber beam splitter coupler Grant 4,314,740 - Bickel February 9, 1 | 1982-02-09 |
| High reliability optical fiber communication system Grant 4,306,313 - Baldwin December 15, 1 | 1981-12-15 |
| Bayonet coupling nut Grant 4,305,180 - Schwartz December 15, 1 | 1981-12-15 |
| 4-Way, 2-position pilot valve Grant 4,301,715 - Acar November 24, 1 | 1981-11-24 |
| Solvent system for cellulose Grant 4,302,252 - Turbak , et al. November 24, 1 | 1981-11-24 |
| Use of an inductor within a full bridge d.c.-d.c. power converter Grant 4,301,496 - Schwarz November 17, 1 | 1981-11-17 |
| Modified enzyme system to inhibit bread firming method for preparing same and use of same in bread and other bakery products Grant 4,299,848 - De Stefanis , et al. November 10, 1 | 1981-11-10 |
| Signal envelope detecting system Grant 4,298,841 - Dishal November 3, 1 | 1981-11-03 |
| Electroplating rack Grant 4,297,197 - Salman October 27, 1 | 1981-10-27 |
| Optical fiber beam splitter couplers employing coatings with dichroic properties Grant 4,296,995 - Bickel October 27, 1 | 1981-10-27 |
| Process for applying a moisture barrier coating to baked and fried food products Grant 4,293,572 - Silva , et al. October 6, 1 | 1981-10-06 |
| Electrical connector body and method of making same Grant 4,293,182 - Schwartz October 6, 1 | 1981-10-06 |
| Viscosimeter Grant 4,292,673 - Du Bae September 29, 1 | 1981-09-29 |
| Assembly apparatus for electrical connectors Grant 4,290,178 - Friese September 22, 1 | 1981-09-22 |
| Free-spring wire connector Grant 4,288,657 - Swanson September 8, 1 | 1981-09-08 |
| Densitometer Grant 4,282,742 - Kalotay , et al. August 11, 1 | 1981-08-11 |
| Method of fabrication of single mode optical fibers or waveguides Grant 4,283,213 - Akers , et al. August 11, 1 | 1981-08-11 |
| Cryptographically secure communication system Grant 4,283,602 - Adams , et al. August 11, 1 | 1981-08-11 |
| Fiber optic connector Grant 4,281,892 - Sitabkhan August 4, 1 | 1981-08-04 |
| Process for preparing polyurethane molded part Grant 4,282,285 - Mohiuddin August 4, 1 | 1981-08-04 |
| Drive block structure for an adjustable vehicle seat track Grant 4,274,293 - Ruger June 23, 1 | 1981-06-23 |
| Gain control apparatus for digital telephone line circuits Grant 4,272,648 - Agrawal , et al. June 9, 1 | 1981-06-09 |
| Digital compressive receiver Grant 4,270,209 - Albanese May 26, 1 | 1981-05-26 |
| Interpolator apparatus for increasing the word rate of a digital signal of the type employed in digital telephone systems Grant 4,270,026 - Shenoi , et al. May 26, 1 | 1981-05-26 |
| Telephone subscriber line unit with sigma-delta digital to analog converter Grant 4,270,027 - Agrawal , et al. May 26, 1 | 1981-05-26 |
| Fiber optic connector using gradient index lenses Grant 4,268,112 - Peterson May 19, 1 | 1981-05-19 |
| Coupler for a concentric core optical fiber Grant 4,266,851 - Salisbury May 12, 1 | 1981-05-12 |
| Contact retention assembly Grant 4,265,504 - Burns May 5, 1 | 1981-05-05 |
| Methods for applying phosphors particularly adapted for intagliated phosphor screens Grant 4,264,408 - Benham April 28, 1 | 1981-04-28 |
| Liquid level control system Grant 4,263,587 - John April 21, 1 | 1981-04-21 |
| Antenna pattern synthesis and shaping Grant 4,260,994 - Parker April 7, 1 | 1981-04-07 |
| Fault-closable electrical connector Grant 4,260,214 - Dorn April 7, 1 | 1981-04-07 |
| Three-way, equal-phase combiner/divider network adapted for external isolation resistors Grant 4,254,386 - Nemit , et al. March 3, 1 | 1981-03-03 |
| Control apparatus for a transceiver employing a programmable memory Grant 4,254,504 - Lewis , et al. March 3, 1 | 1981-03-03 |
| Current limited subscriber line feed circuit Grant 4,254,305 - Treiber March 3, 1 | 1981-03-03 |
| Method of manufacturing a light-emitting diode by liquid phase epitaxy Grant 4,249,967 - Liu , et al. February 10, 1 | 1981-02-10 |
| Electronic trigger for a radio frequency source Grant 4,250,454 - Sakamoto February 10, 1 | 1981-02-10 |
| Removal of contaminants and recovery of by-products from hot waste gas stream Grant 4,248,842 - Kaupisch , et al. February 3, 1 | 1981-02-03 |
| Dimensionally stable structural foam plastic product Grant 4,248,931 - Salman February 3, 1 | 1981-02-03 |
| Telephone transducer assembly and method of making same Grant 4,246,450 - Barber January 20, 1 | 1981-01-20 |
| Contact retention clip and method of inserting same in an insulator Grant 4,241,976 - Oliver , et al. December 30, 1 | 1980-12-30 |
| Electrical push-button switch Grant 4,242,546 - Alonso December 30, 1 | 1980-12-30 |
| Method of making conductive elastomer connector Grant 4,240,198 - Alonso December 23, 1 | 1980-12-23 |
| Apparatus for stabilizing a laser Grant 4,237,427 - Holland December 2, 1 | 1980-12-02 |
| Multiuser protected optical data bus distribution systems Grant 4,237,550 - Steensma December 2, 1 | 1980-12-02 |
| Ball valve having metal seat rings Grant 4,235,418 - Natalizia November 25, 1 | 1980-11-25 |
| Luminaire for residential roadway lighting Grant 4,234,912 - Barnes , et al. November 18, 1 | 1980-11-18 |
| Carrier terminal unit Grant 4,230,911 - Fellinger , et al. October 28, 1 | 1980-10-28 |
| Luminaire with arcuate reflector Grant 4,229,779 - Bilson , et al. October 21, 1 | 1980-10-21 |
| Edge slotted waveguide antenna array with selectable radiation direction Grant 4,229,745 - Kruger October 21, 1 | 1980-10-21 |
| Methods for computer assisted optimization of meat cuts from carcasses Grant 4,228,685 - Wallace , et al. October 21, 1 | 1980-10-21 |
| Visual warning apparatus for emergency vehicles Grant 4,224,599 - Peirish, Jr. , et al. September 23, 1 | 1980-09-23 |
| Light emitting diode structure Grant 4,220,960 - Liu , et al. September 2, 1 | 1980-09-02 |
| Interlocking precision optical fiber connector or support Grant 4,217,029 - Kao August 12, 1 | 1980-08-12 |
| Pulse frequency modulator and compressor for staircase FM radar systems Grant 4,216,474 - Levine August 5, 1 | 1980-08-05 |
| Threshold circuit Grant 4,216,433 - LeGrand August 5, 1 | 1980-08-05 |
| Method and apparatus for detecting optimum alignment of optical fibers in a connector arrangement Grant 4,215,937 - Borsuk August 5, 1 | 1980-08-05 |
| Fiber optic penetrator Grant 4,214,809 - Reh July 29, 1 | 1980-07-29 |
| Telephone intercom circuit Grant 4,215,248 - Shannon, Jr. July 29, 1 | 1980-07-29 |
| State variant correlator Grant 4,209,834 - Rabow June 24, 1 | 1980-06-24 |
| Fiber optic ferrule and method of terminating same to a cable Grant 4,208,093 - Borsuk June 17, 1 | 1980-06-17 |
| Test arrangement for communication paths in time-division multiplexed switching systems Grant 4,207,433 - Bartholomay , et al. June 10, 1 | 1980-06-10 |
| Intruder alarm arrangement for an optical communication system Grant 4,207,561 - Steensma June 10, 1 | 1980-06-10 |
| Training aid for use with night vision apparatus Grant 4,202,601 - Burbo , et al. May 13, 1 | 1980-05-13 |
| Single optical fiber connector Grant 4,201,444 - McCartney , et al. May 6, 1 | 1980-05-06 |
| Expandable digital switching network Grant 4,201,891 - Lawrence , et al. May 6, 1 | 1980-05-06 |
| Zero insertion force connector Grant 4,196,955 - Anhalt April 8, 1 | 1980-04-08 |
| Airport surface identification and control system Grant 4,197,536 - Levine April 8, 1 | 1980-04-08 |
| Heating apparatus Grant 4,195,219 - Friese March 25, 1 | 1980-03-25 |
| Fiber optic contact alignment device Grant 4,193,665 - Arnold March 18, 1 | 1980-03-18 |
| Frequency hopping communication system Grant 4,193,030 - Rabow , et al. March 11, 1 | 1980-03-11 |
| Fiber optic termination and method of making same Grant 4,191,447 - Borsuk March 4, 1 | 1980-03-04 |
| Backflow prevention devices Grant 4,190,071 - Dean , et al. February 26, 1 | 1980-02-26 |
| Fiber optic connector Grant 4,185,886 - Corrales January 29, 1 | 1980-01-29 |
| Viscosimeter Grant 4,184,364 - Du Bae January 22, 1 | 1980-01-22 |
| Water resistant high strength fibers Grant 4,183,621 - Kao , et al. January 15, 1 | 1980-01-15 |
| Single optical fiber connector Grant 4,181,402 - Borsuk , et al. January 1, 1 | 1980-01-01 |
Company Registrations
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