Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468120 | Multiple-purpose utility vehicle | — | 1995-11-21 |
| 4734006 | Wheeled building and construction machine of the mechanical shovel, bulldozer or the like type, having articulated steering | Detlef Seidel, Peter Kohn, Paul Kohn, Wolfgang Serwe | 1988-03-29 |