Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735362 | Apparatus for delivering a liquid or thick medium | Klaus Zerweck, Peter Konhauser, Jurgen Sprenger, Heinrich Griebel | 1988-04-05 |
| 4697663 | Three-wheeled vehicle | — | 1987-10-06 |
| 4378133 | Loop track mobility system | — | 1983-03-29 |
| 4270811 | Buckle proof wear resistant endless traction band | — | 1981-06-02 |