Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920997 | Car washing installation | Kurt Vetter, Werner Schulze, Kurt Hafner | 1990-05-01 |
| 4576864 | Water spreading plastic material, method for its manufacture and its use as a glazing and roofing material | Willi Dzialas | 1986-03-18 |