Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264718 | Photographic film unit of integral structure | Hermann Luhrig, Guido Kovacic, Walter Tabel | 1981-04-28 |
| 4242443 | Photographic film unit with integral structure | Hermann Luhrig, Guido Kovacic | 1980-12-30 |