Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667572 | Valve arrangement | — | 1987-05-26 |
| 4609135 | Sound-dampened driving apparatus for fasteners | — | 1986-09-02 |
| 4509669 | Sound-dampened driving apparatus for fasteners | — | 1985-04-09 |
| 4351464 | Compressed air-operated fastener driving tool with release safety means | Hellmuth Fehrs | 1982-09-28 |