Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098492 | Method for making film cassettes | Franz Hoffacker, Otto Wiedemann | 1992-03-24 |
| 4205436 | Device for loading film cassettes | Helmut Lehmann | 1980-06-03 |
| 4180905 | Automatic loading device for roll films | Ralf L. Klinkhammer | 1980-01-01 |