Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7334742 | Spraying device with droplet hold-back | Torsten Witting, Christian Thieme | 2008-02-26 |
| 4562431 | Fuel filter unit with water content indicator | Brigitte Moro, Erich Scholz, Hans Siebke | 1985-12-31 |