Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5001963 | Differential pressure piston-combustion chamber for barreled weapons | Gerhard Onderka | 1991-03-26 |
| 4993310 | Sealing for the differential pressure piston-fuel chamber systems of firearms | Gerhard Onderka | 1991-02-19 |
| 4852461 | Armored vehicle with top-mounted barreled weapon | Klaus von Laar, Werner Heberlein | 1989-08-01 |