Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273431 | Adapter for coupling a photographic camera with a viewing device | Zane M. Farmer | 1981-06-16 |
| 4192591 | Rotatable adapter for use in optically coupling a viewing device with a photographic camera | — | 1980-03-11 |