Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346981 | Lens testing device | Peter Karbe, Joachim Kuhn, Bernd Harand | 2002-02-12 |
| 6318204 | Helical gear | Gerhard Kranz, Peter Schmidt | 2001-11-20 |
| 5126881 | Lens hood for a photographic lens | — | 1992-06-30 |
| 4712897 | Device for adjustment of the viewfinder eyepiece of a camera | — | 1987-12-15 |
| 4711545 | Film advance mechanism | — | 1987-12-08 |