Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4200786 | Electrooptical focusing apparatus for photographic cameras | — | 1980-04-29 |
| 4195909 | Scanning grating for a focus detector | Walter Bletz | 1980-04-01 |
| 4181412 | Optical exposure measuring system for photographic cameras | Dietrich Bruckner | 1980-01-01 |