Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239378 | Photographic printing apparatus | — | 1980-12-16 |
| 4239382 | Photographic printing or enlarging apparatus | John G. Long | 1980-12-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239378 | Photographic printing apparatus | — | 1980-12-16 |
| 4239382 | Photographic printing or enlarging apparatus | John G. Long | 1980-12-16 |