Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809064 | Enlarging photographic printer | Richard J. Backus, Thomas C. Jessop | 1989-02-28 |
| 4774551 | Photographic printer | Richard J. Backus, Yonathan Preiss | 1988-09-27 |
| 4774553 | Film handling mechanism | Douglass L. Blanding, Thomas C. Jessop | 1988-09-27 |