Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509495 | Drive assembly for motor vehicles | Kim Hayemann, Rolf Sivers von, Clemens Mutter, Bernd Wacker | 1996-04-23 |
| 4919230 | Scaffold platform section | Ruth Langer | 1990-04-24 |
| 4603756 | Metal pipe scaffolding | — | 1986-08-05 |
| 4273207 | Supporting pipe to constitute a drive unit for an automotive vehicle | Rolf V. Sivers, Rudolf Herrmann | 1981-06-16 |
| 4207957 | Device for reduction of bending vibrations | Rolf V. Sivers | 1980-06-17 |