Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611895 | Metering roll film holders and multi-format camera | — | 1986-09-16 |
| 4597653 | Roll film holders and multi-format camera | Donald M. Harvey | 1986-07-01 |
| 4597654 | Coded roll film holder and code responsive camera | Donald M. Harvey | 1986-07-01 |
| 4557578 | Viewfinder for autofocus cameras | — | 1985-12-10 |
| 4332453 | Film loading apparatus | David C. Smart | 1982-06-01 |
| 4324476 | Camera door apparatus | — | 1982-04-13 |
| 4303325 | Roll film and a photographic camera for use therewith | — | 1981-12-01 |