Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839676 | Film cassette-liquid spread roller assembly interface | Irving S. Lippert, John I. Sturgis | 1989-06-13 |
| 4824761 | Integral film assemblage of the instant or self-developing type | John I. Sturgis | 1989-04-25 |
| 4800405 | Camera having disconnectible manual controls for film unit removal assembly and a shade assembly | Bruce K. Johnson | 1989-01-24 |