Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886732 | 35 mm self-developing transparency film assemblage | Donald E. Mauchan | 1989-12-12 |
| 4645322 | Film counter | Joseph A. Stella | 1987-02-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886732 | 35 mm self-developing transparency film assemblage | Donald E. Mauchan | 1989-12-12 |
| 4645322 | Film counter | Joseph A. Stella | 1987-02-24 |