Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251517 | Harmonica construction | — | 1993-10-12 |
| 4523509 | Shoulder arm | Helmut Danner, Erich Weisser | 1985-06-18 |
| 4512236 | Sound dampened automatic hand firearm | Helmut Danner | 1985-04-23 |
| 4505336 | Fire extinguisher and liquid dispensing apparatus | Tilo Moller | 1985-03-19 |
| 4450751 | Fire limiter for automatic firearms with hammer blow detonation | — | 1984-05-29 |