Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240744 | Photographic copying machine with interchangeable format masks | Heinz Rapp, Ernst Biedermann | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240744 | Photographic copying machine with interchangeable format masks | Heinz Rapp, Ernst Biedermann | 1980-12-23 |