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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4806974 |
Apparatus for reproducing a copy image according to either a positive original image or a negati... |
Feb. 21, 1989 |
| 4806973 |
Color image-forming apparatus for producing overlapped monochrome images |
Feb. 21, 1989 |
| 4806972 |
Printer |
Feb. 21, 1989 |
| 4806971 |
Magnet for use in a magnetic brush development apparatus |
Feb. 21, 1989 |
| 4806970 |
Recording apparatus having an accessible housing |
Feb. 21, 1989 |
| 4806969 |
Fixing device |
Feb. 21, 1989 |
| 4806968 |
Drive unit for a copying machine |
Feb. 21, 1989 |
| 4806967 |
Electrostatographic reproducing machine and process unit therefor |
Feb. 21, 1989 |
| 4806966 |
Toner image fixing device |
Feb. 21, 1989 |
| 4806965 |
Apparatus for writing data onto photosensitive film |
Feb. 21, 1989 |
| 4806964 |
Method of controlling diaphragm driving in electronic still camera and device therefor |
Feb. 21, 1989 |
| 4806963 |
Aperture decision system for flash photographing |
Feb. 21, 1989 |
| 4806962 |
Automatic developing apparatus |
Feb. 21, 1989 |
| 4806961 |
Photographic camera |
Feb. 21, 1989 |
| 4806960 |
Cassette information controller and memory |
Feb. 21, 1989 |
| 4806959 |
Cassette orientation detection apparatus |
Feb. 21, 1989 |
| 4806958 |
Cassette/machine optically coupled interface |
Feb. 21, 1989 |
| 4806957 |
Electrostatic printhead and method of manufacture |
Feb. 21, 1989 |
| 4806956 |
Recording electrode for ink dot printer |
Feb. 21, 1989 |
| 4806955 |
Ink jet printer of the ink-on-demand type |
Feb. 21, 1989 |
| 4806954 |
Pen carriage suspension for graphic recorder |
Feb. 21, 1989 |
| 4806953 |
Acoustic isolation timing belt pulley for drafting plotters |
Feb. 21, 1989 |
| 4806952 |
Information recording apparatus for recording/reproducing information by irradiating an informat... |
Feb. 21, 1989 |
| 4806951 |
Optical printer |
Feb. 21, 1989 |
| 4806950 |
Image recording apparatus for heat generation type |
Feb. 21, 1989 |
| 4806949 |
Multitone thermal transfer recording method and apparatus |
Feb. 21, 1989 |
| 4806948 |
Ribbon separating mechanism for thermal printer |
Feb. 21, 1989 |
| 4806947 |
Series type thermal writing head for printer |
Feb. 21, 1989 |
| 4806946 |
Light beam scanning recording method |
Feb. 21, 1989 |
| 4806945 |
Receiving head end for polarized microwaves, parabolic aerial and receiving station equipped wit... |
Feb. 21, 1989 |
| 4806944 |
Switchable matching network for an element of a steerable antenna array |
Feb. 21, 1989 |
| 4806943 |
Set of transmit/receive antennas situated at a fixed station for a two-way radio link with a veh... |
Feb. 21, 1989 |
| 4806942 |
Automobile TV antenna system |
Feb. 21, 1989 |
| 4806941 |
Microwave component |
Feb. 21, 1989 |
| 4806940 |
Navigation mode selection apparatus |
Feb. 21, 1989 |
| 4806939 |
Optimization of convergence of sequential decorrelator |
Feb. 21, 1989 |
| 4806938 |
Integrated self-adaptive array repeater and electronically steered directional transponder |
Feb. 21, 1989 |
| 4806937 |
Power distribution system for a phased array radar |
Feb. 21, 1989 |
| 4806936 |
Method of determining the position of multiple targets using bearing-only sensors |
Feb. 21, 1989 |
| 4806935 |
Closed loop velocity/altitude sensor for FM-CW doppler radars |
Feb. 21, 1989 |
| 4806934 |
Tracking circuit for following objects through antenna nulls |
Feb. 21, 1989 |
| 4806933 |
CW and pulse capable crystal video receiver |
Feb. 21, 1989 |
| 4806932 |
Radar-optical transponding system |
Feb. 21, 1989 |
| 4806931 |
Sound pattern discrimination system |
Feb. 21, 1989 |
| 4806930 |
Radio control transmitter which suppresses harmonic radiation |
Feb. 21, 1989 |
| 4806929 |
Remote monitor control system |
Feb. 21, 1989 |
| 4806928 |
Apparatus for electromagnetically coupling power and data signals between well bore apparatus an... |
Feb. 21, 1989 |
| 4806927 |
Communication control method |
Feb. 21, 1989 |
| 4806926 |
Antitheft device for an audio device |
Feb. 21, 1989 |
| 4806925 |
Infrared signalling system for detecting a predetermined state of a high voltage device |
Feb. 21, 1989 |
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