| Patent | Date |
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Method and apparatus for ascertaining the dimensions and positions of film frames on coherent roll films
Grant 4,555,632 - Vockenhuber November 26, 1 | 1985-11-26 |
Apparatus for classifying photographic prints or the like
Grant 4,277,061 - Nagel , et al. July 7, 1 | 1981-07-07 |
Method for the contact-free continuous measurement and monitoring of magnetic tracks on moving film strips
Grant 4,276,324 - Pohler , et al. June 30, 1 | 1981-06-30 |
Method and apparatus for making reproductions of color film frames
Grant 4,274,732 - Thurm , et al. June 23, 1 | 1981-06-23 |
Recording medium and method of making
Grant 4,272,602 - Stemme , et al. June 9, 1 | 1981-06-09 |
Photographic instant camera with magnetic recording capability
Grant 4,270,854 - Stemme , et al. June 2, 1 | 1981-06-02 |
Method of improving the electrical contact between the insulating image carrier and conductive support in electrographic recording processes
Grant 4,265,996 - Simm , et al. May 5, 1 | 1981-05-05 |
Accurate dosing of regenerating fluid to processing-fluid-tank in film developing machine
Grant 4,263,932 - Laar , et al. April 28, 1 | 1981-04-28 |
Method and apparatus for making color prints in automatic dependence upon the film type involved
Grant 4,264,196 - von Stein , et al. April 28, 1 | 1981-04-28 |
Exposure of silver halide emulsions during formation
Grant 4,264,724 - Moisar , et al. April 28, 1 | 1981-04-28 |
Still camera with an objective which can be retracted into the camera housing for dimensional compactness
Grant 4,258,998 - Lermann , et al. March 31, 1 | 1981-03-31 |
Cassette for X-ray film
Grant 4,259,586 - Schmidt , et al. March 31, 1 | 1981-03-31 |
Cleaning arrangement in an electrophotographic copying machine
Grant 4,251,155 - Schnall , et al. February 17, 1 | 1981-02-17 |
Photographic camera with means indicating the state of focus
Grant 4,251,143 - Stemme , et al. February 17, 1 | 1981-02-17 |
Shutter-diaphragm system with light-totalizing circuit
Grant 4,251,141 - Stemme , et al. February 17, 1 | 1981-02-17 |
Apparatus for selecting originals for copying
Grant 4,251,157 - Knor , et al. February 17, 1 | 1981-02-17 |
Method and an apparatus for cambering the edges of webs of thermoplastic materials on one and both sides using the energy of ultrasonic vibration
Grant 4,247,273 - Pogrzeba , et al. January 27, 1 | 1981-01-27 |
Container for magnetic tape cassette
Grant 4,245,740 - Thiele January 20, 1 | 1981-01-20 |
Apparatus for drying webs of photographic paper or the like
Grant 4,245,397 - Laar , et al. January 20, 1 | 1981-01-20 |
Attachable lamp for a movie camera
Grant D257,853 - Schlagheck , et al. January 13, 1 | 1981-01-13 |
Apparatus for detecting holes in webs of photographic paper or the like
Grant 4,243,891 - Dobler , et al. January 6, 1 | 1981-01-06 |
Photographic copying machine with interchangeable format masks
Grant 4,240,744 - Rapp , et al. December 23, 1 | 1980-12-23 |
Apparatus for the continuous preparation of photographic emulsions
Grant 4,241,023 - Wilke , et al. December 23, 1 | 1980-12-23 |
Tuner supply for electrostatic copiers
Grant 4,237,943 - Ermel , et al. December 9, 1 | 1980-12-09 |
Electrostatic copying apparatus
Grant 4,231,319 - Waibel , et al. November 4, 1 | 1980-11-04 |
Apparatus for making positive pictures from slides
Grant 4,230,407 - Moller October 28, 1 | 1980-10-28 |
Continuous copying machine
Grant 4,227,803 - Massengeil , et al. October 14, 1 | 1980-10-14 |
Continuous film-developing machine
Grant 4,222,657 - Leuchter September 16, 1 | 1980-09-16 |
Camera setting device
Grant 4,220,405 - Stemme , et al. September 2, 1 | 1980-09-02 |
Apparatus for convoluting webs onto rotary cores
Grant 4,218,032 - Nagel , et al. August 19, 1 | 1980-08-19 |
Photographic copying apparatus
Grant 4,218,133 - Biedermann August 19, 1 | 1980-08-19 |
Photographic camera
Grant D256,468 - Schlagheck , et al. August 19, 1 | 1980-08-19 |
Collapsible cinematographic camera
Grant D256,469 - Stemme , et al. August 19, 1 | 1980-08-19 |
Method and apparatus for evaluating color photographic negatives prior to copying
Grant 4,217,648 - Thurm , et al. August 12, 1 | 1980-08-12 |
Projection system for copying machines
Grant 4,215,933 - Feneberg , et al. August 5, 1 | 1980-08-05 |
Objective lens holding arrangement for a micro-film reader
Grant 4,215,915 - Freiberg August 5, 1 | 1980-08-05 |
Automatic counteracting of transverse shift of a longitudinally transported strip
Grant 4,214,689 - Bartel , et al. July 29, 1 | 1980-07-29 |
Photographic-camera focussing system with comparator receiving required-and actual-setting data
Grant 4,214,824 - Stemme , et al. July 29, 1 | 1980-07-29 |
Toner fusing arrangement
Grant 4,212,631 - Franke , et al. July 15, 1 | 1980-07-15 |
Circuit for indicating the condition of the battery in a _photographic camera
Grant 4,211,478 - Huber , et al. July 8, 1 | 1980-07-08 |
Electrophotographic method and apparatus
Grant 4,210,396 - Muller , et al. July 1, 1 | 1980-07-01 |
Method and apparatus for building up and reducing the pressure of gases in ionography imaging chambers
Grant 4,207,910 - Muller June 17, 1 | 1980-06-17 |
Apparatus for developing latent images of X-rayed objects on dielectric receptor sheets
Grant 4,208,121 - Muller June 17, 1 | 1980-06-17 |
Film cassette with anti-shock latching means
Grant 4,204,724 - Bauer , et al. May 27, 1 | 1980-05-27 |
Apparatus for removing exposed films and backing strips from cassettes
Grant 4,204,620 - Wurfel May 27, 1 | 1980-05-27 |
Electrostatic copying machine having flash-discharge-lamp fixing unit
Grant 4,202,618 - Waschk , et al. May 13, 1 | 1980-05-13 |
Dye diffusion transfer process employing compounds that release sulfonamide dye providing radicals
Grant 4,198,235 - Vetter , et al. April 15, 1 | 1980-04-15 |
Camera with zoom lens
Grant 4,195,924 - Stemme , et al. April 1, 1 | 1980-04-01 |
Marking of interspersed motion-picture scenes and still shots with interrupt-transport markings
Grant 4,194,817 - Staudacher , et al. March 25, 1 | 1980-03-25 |
Apparatus for continuously processing photographic films or the like
Grant 4,182,567 - Laar , et al. January 8, 1 | 1980-01-08 |
Apparatus for developing latent electrostatic images
Grant 4,179,210 - Bestenreiner , et al. December 18, 1 | 1979-12-18 |
Determination of extreme density values of a transported strip of photographic originals
Grant 4,176,964 - Knor , et al. December 4, 1 | 1979-12-04 |
Exposure system for copying machines
Grant 4,173,411 - Massengeil , et al. November 6, 1 | 1979-11-06 |
Collapsible photographic camera
Grant D253,237 - Stemme , et al. October 23, 1 | 1979-10-23 |
Daylight projection screen and method and apparatus for making the same
Grant 4,172,219 - Deml , et al. October 23, 1 | 1979-10-23 |
Method and apparatus for ascertaining the positions of film frames
Grant 4,167,678 - Mischo , et al. September 11, 1 | 1979-09-11 |
Rechargeable magazine for motion picture film
Grant 4,153,350 - Blank , et al. May 8, 1 | 1979-05-08 |
Apparatus for assembling and packing photographic prints with associated developed films
Grant 4,115,981 - Hell , et al. September 26, 1 | 1978-09-26 |
Recording device
Grant 4,107,687 - Pfeifer , et al. August 15, 1 | 1978-08-15 |
Cleaning device for an electrostatic copier
Grant 4,101,215 - Fottner , et al. July 18, 1 | 1978-07-18 |
Automatic color printing apparatus
Grant 4,101,217 - Fergg , et al. July 18, 1 | 1978-07-18 |
Sheet-holding cassette for copying machine
Grant 4,087,178 - Pfeifer , et al. May 2, 1 | 1978-05-02 |
Determination of extreme density values of photographic originals
Grant 4,082,465 - Bickl , et al. April 4, 1 | 1978-04-04 |
Hose coupling
Grant 4,082,112 - Schmidt April 4, 1 | 1978-04-04 |
Apparatus for processing photographic film and treating contaminated processing liquids
Grant 4,081,816 - Geyken , et al. March 28, 1 | 1978-03-28 |
Stackable winding cores for magnetic tapes
Grant 4,081,151 - Ender , et al. March 28, 1 | 1978-03-28 |
Apparatus for splicing photographic films or the like
Grant 4,080,242 - Komenda , et al. March 21, 1 | 1978-03-21 |
Rear-projection viewing screen
Grant 4,076,384 - Deml , et al. February 28, 1 | 1978-02-28 |
Ionography imaging chamber
Grant 4,074,133 - Muller , et al. February 14, 1 | 1978-02-14 |
Light-sensitive photographic material
Grant 4,052,213 - Credner , et al. October 4, 1 | 1977-10-04 |
Method and arrangement for protecting sheets from charring in copying machines
Grant 4,049,947 - Bestenreiner , et al. September 20, 1 | 1977-09-20 |
Method for the production of silicone elastomer-containing articles
Grant 4,042,652 - Feneberg August 16, 1 | 1977-08-16 |
Method for production of rotationally symmetric non-spherical optical elements
Grant 4,032,343 - Deml , et al. June 28, 1 | 1977-06-28 |
Light-sensitive material containing a dye-forming combination of a heterocyclic compound and a cyclic dihalodicarbonyl compound in a polymeric binder
Grant 4,030,926 - Stahlke , et al. June 21, 1 | 1977-06-21 |
Process for the production of lightfast phase holograms utilizing ammonium dichromate and gelatin as photosensitive recording material
Grant 4,029,507 - Wehner , et al. June 14, 1 | 1977-06-14 |
Web feeding and collecting apparatus for photographic printers or the like
Grant 4,025,005 - Fleck , et al. May 24, 1 | 1977-05-24 |
Apparatus for scanning a marked web
Grant 4,025,025 - Bartel , et al. May 24, 1 | 1977-05-24 |
Apparatus for controlling the movements of printing filters
Grant 4,018,527 - Bartel , et al. April 19, 1 | 1977-04-19 |
Color photographic multilayered material with layers of acid ashed gelatine
Grant 4,018,609 - Lohmer , et al. April 19, 1 | 1977-04-19 |
Method and equipment for line-by-line recording of color component images on a reproduction carrier
Grant 4,017,891 - Helmberger , et al. April 12, 1 | 1977-04-12 |
Arrangement for continuously cleaning flexible layer substrates in tape form
Grant 4,010,514 - Fischer , et al. March 8, 1 | 1977-03-08 |
Method and apparatus for creating color copies of an original by an electrostatic charging process
Grant 4,007,489 - Helmberger , et al. February 8, 1 | 1977-02-08 |
Apparatus for removing exposed films and backing strips from containers
Grant 4,004,724 - Zangenfeind , et al. January 25, 1 | 1977-01-25 |
Dual optical projection system for copying machines
Grant 3,998,543 - Wick , et al. December 21, 1 | 1976-12-21 |
Method of measuring a two-dimensional temperature distribution
Grant 3,993,809 - Schranz , et al. November 23, 1 | 1976-11-23 |
Means for supporting sources of artificial light-in photographic apparatus having expansible housings
Grant 3,988,752 - Winkler , et al. October 26, 1 | 1976-10-26 |
Automatic focussing system for photographic cameras
Grant 3,988,747 - Lermann , et al. October 26, 1 | 1976-10-26 |
Apparatus for selecting originals for copying on the basis of image sharpness
Grant 3,981,579 - Weinert , et al. September 21, 1 | 1976-09-21 |
Process for the production of negative continuous-tone images
Grant 3,977,872 - Hellmig August 31, 1 | 1976-08-31 |
Process for the electrographic recording of charge images in a low electron affinity case
Grant 3,978,492 - Simm August 31, 1 | 1976-08-31 |
Exposure system for electrophotographic copying apparatus
Grant 3,977,781 - Eppe , et al. August 31, 1 | 1976-08-31 |
Apparatus and method for neutralizing waste photographic fluids
Grant 3,978,506 - Geyken , et al. August 31, 1 | 1976-08-31 |
Analog/digital control arrangement for photographic apparatus
Grant 3,972,607 - Reider August 3, 1 | 1976-08-03 |
Process and apparatus for detecting longitudinal faults on moving webs of material
Grant 3,972,624 - Klein , et al. August 3, 1 | 1976-08-03 |
Film advance and metering mechanism for cameras
Grant 3,968,509 - Winkler , et al. July 6, 1 | 1976-07-06 |
Electrostatic copying machine with removable copying drum
Grant 3,966,316 - Pfeifer , et al. June 29, 1 | 1976-06-29 |
Apparatus for manipulating finished reproductions in copying machines
Grant 3,966,194 - Abbe , et al. June 29, 1 | 1976-06-29 |
Spectrally sensitized silver halide emulsion containing more than 50% of the grains with ripening nuclei in cavities
Grant 3,966,476 - Becker June 29, 1 | 1976-06-29 |
Fade-over arrangement for a motion picture camera
Grant 3,966,312 - Wagensonner , et al. June 29, 1 | 1976-06-29 |
Apparatus for simultaneous viewing of both sides of webs of photographic paper or the like
Grant 3,964,191 - Sieber , et al. June 22, 1 | 1976-06-22 |
Photographic printing apparatus with reduced number of input means for entering correction values
Grant 3,963,344 - Hujer , et al. June 15, 1 | 1976-06-15 |
Process for the production of hydrophilic surfaces on silicon elastomer articles
Grant 3,959,105 - Feneberg , et al. May 25, 1 | 1976-05-25 |
X-ray casette with a snap-action closure system
Grant 3,958,125 - Zechmair , et al. May 18, 1 | 1976-05-18 |
Apparatus for recording with a lenticular grating
Grant 3,954,334 - Bestenreiner , et al. May 4, 1 | 1976-05-04 |
Light-sensitive photographic material containing a supersensitized silver halide emulsion layer
Grant 3,954,481 - Ohlschlager , et al. May 4, 1 | 1976-05-04 |
Photographic camera with liquid-crystal diaphragm arrangement
Grant 3,955,208 - Wick , et al. May 4, 1 | 1976-05-04 |
Dry copying material
Grant 3,951,660 - Hagemann , et al. April 20, 1 | 1976-04-20 |
Method for the manufacture of fresnel lenses using light-sensitive materials
Grant 3,948,660 - Deml , et al. April 6, 1 | 1976-04-06 |
Method for working the marginal zones of a lens
Grant 3,948,007 - Feneberg , et al. April 6, 1 | 1976-04-06 |
Apparatus for treating webs of photographic material or the like
Grant 3,948,125 - Hujer , et al. April 6, 1 | 1976-04-06 |
Position-control servo system with speed-dependent damping action
Grant 3,949,287 - Wagensonner , et al. April 6, 1 | 1976-04-06 |
Electrophotographic copier with safety arrangement for preventing damage to copying material in fixing arrangement during copier malfunction
Grant 3,941,471 - Schatka , et al. March 2, 1 | 1976-03-02 |
Photographic light-sensitive and heat developable material
Grant 3,933,507 - VON Konig , et al. January 20, 1 | 1976-01-20 |
Photographic printer with automatic positioning control
Grant 3,874,791 - Thieme , et al. April 1, 1 | 1975-04-01 |
Double Sheet Detecting And Locking Arrangement
Grant 3,679,202 - Rauffer July 25, 1 | 1972-07-25 |
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