Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696645 | Apparatus for removing plaque and stains from the surfaces of teeth | Martin Saupe, Maximillian Markl | 1987-09-29 |
| 4237656 | Motor vehicle window drive mechanism | Hans-Peter Hess, Gunther Muhling, Manfred Sunkel | 1980-12-09 |