Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647975 | Exposure control system for an electronic imaging camera having increased dynamic range | Lawrence E. Alston, Donald S. Levinstone | 1987-03-03 |
| 4610536 | Laser scanning and printing apparatus | William K. Smyth, Richard Chen | 1986-09-09 |
| 4589745 | Geometric LED layout for line exposure | — | 1986-05-20 |
| 4561753 | Selective photoresponsive sensing circuit | Philip G. Baker | 1985-12-31 |
| 4549891 | Method for forming a non-symmetrical optical fiber | — | 1985-10-29 |
| 4531702 | Injection mold for forming optical fiber connector | — | 1985-07-30 |
| 4498748 | Camera for photographing scale models | Peter W. J. Jones, Dennis W. Purcell | 1985-02-12 |
| 4499164 | Image carrying media employing an optical barrier | — | 1985-02-12 |
| 4457618 | Optical system for use in electronic enlarger | — | 1984-07-03 |
| 4443067 | Zone focusing optical system | R. Calvin Owen, Jr. | 1984-04-17 |
| 4416514 | Color filter | — | 1983-11-22 |
| 4356538 | Photographic lighting apparatus | — | 1982-10-26 |
| 4299468 | Photoelectric radiometer for photographic apparatus | Monis J. Manning | 1981-11-10 |
| 4293892 | Zoom light apparatus | — | 1981-10-06 |
| 4282548 | Method and apparatus for measuring and/or setting lens focus distance | — | 1981-08-04 |
| 4272186 | Camera method and apparatus for recording with selected contrast | — | 1981-06-09 |
| 4264167 | Adapter for coupling a camera with a viewing device | — | 1981-04-28 |
| 4251146 | Photographic apparatus for providing a signal visible in a camera viewfinder | — | 1981-02-17 |
| 4226515 | Photographic camera | — | 1980-10-07 |
| 4208112 | Photographic camera accessory | — | 1980-06-17 |
| 4204269 | Optical element for redistributing the light output of a photoflash lamp assembly or the like | — | 1980-05-20 |
| 4193675 | Photographic camera | — | 1980-03-18 |