Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437751 | Film transport arrangement with perforation wheel for camera | Dieter Engelsmann, Hubert Hackenberg, Peter Lermann, Karl Wagner | 1984-03-20 |
| 4395107 | Film cassette | Hermann Luhrig, Franz Hoffacker, Guido Kovacic, Dieter Engelsmann, Hubert Hackenberg +1 more | 1983-07-26 |