Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572612 | Photographic objective with a fastening device | Werner Schlapp | 1986-02-25 |
| 4199248 | Selective coupling system for cameras | Werner Schlapp | 1980-04-22 |
| 4181419 | Interchangeable lens for SLR-cameras having TTL light metering | Werner Schlapp | 1980-01-01 |