| Patent No. | Patent Title: |
| 4349731 | Commodity key with on site encoding feature |
| 4315277 | Non-linear aperture correction circuit having a signal bypass arr... |
| 4312062 | System for digitally converting baseband channel signals into a ... |
| 4303950 | Helical scan video tape recorder for recording video and audio si... |
| 4296315 | Card reader security system |
| 4296422 | Image recording material and image recording method using the sam... |
| 4291222 | Method and apparatus for card authentication using display of sym... |
| 4288688 | Toll road terminal machine |
| 4288689 | Automatic vehicle identification system and method |
| 4286282 | Periodically biased video disc player servo system |
| 4284883 | Card reader with improved data processing timing control |
| 4285014 | Channel division recording/reproducing apparatus |
| 4283622 | Bar code reader |
| 4283621 | Apparatus and method of storing and retrieving information |
| 4282425 | Instant portable bar code reader |
| 4282424 | Automatic cash dispensing machine |
| 4282426 | Slot scanning system |
| 4281242 | Balancing apparatus for magnetic circuits employed in data storag... |
| 4280037 | Apparatus for cashless payment of merchandise or services |
| 4280146 | Rotary head type magnetic video recording and reproducing apparat... |
| 4278879 | Switching arrangement for recording a value-balance |
| 4276470 | Bar code reader |
| 4276469 | Data card reader |
| 4273996 | Sequential card reader system |
| 4273997 | Automatic passbook reader/writer apparatus |
| 4272651 | Optical system having diode laser light source |
| 4272652 | Moving coil type stereophonic pickup cartridge |
| 4272675 | Symbol processing system |
| 4272786 | Video disc playback apparatus with non-linear aperture correction |
| 4272647 | Speech aid apparatus |
| 4271351 | Cash replacement system and components |
| 4271352 | Lost personal accessory return method and article |
| 4270043 | Methods of and apparatus for time clock recording and computation... |
| 4270042 | Electronic funds transfer system |
| 4268718 | Housing acoustical amplifier |
| 4268744 | Score processing system for use with ID cards |
| 4267439 | Document reader lamp life extension system |
| 4266121 | Receipt slip issuing apparatus |
| 4266122 | Method and apparatus for identification of documents |
| 4264789 | Voice coil assembly for a speaker |
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