Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345825 | Apparatus for automatic control of a photographic camera | Roger J. Greenwald, Carl N. Schauffele | 1982-08-24 |
| 4311377 | Identifying cassettes loaded in cameras | — | 1982-01-19 |
| 4302084 | Automatic rangefinding device for use in a camera | Rogers J. Greenwald | 1981-11-24 |
| 4194818 | Electronic flash unit for fill-flash photography | David Shonts | 1980-03-25 |