Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263388 | Power wrench | — | 1993-11-23 |
| 5103696 | Pressure-operated power wrench | — | 1992-04-14 |
| 5095780 | Pressure-operated power wrench | — | 1992-03-17 |
| 4919018 | Hydraulic power wrench | — | 1990-04-24 |
| 4805496 | Hydraulic power wrench | Paul Wagner, Alois Meyer, Karl-Richard Hirtsiefer | 1989-02-21 |