Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5054973 | Tool bit with axially extending grooves in insertion end | Anton Knoller, Peter Kunert | 1991-10-08 |
| 4941339 | Tool bits and method of shaping | Dieter Wirths, Anton Knoller, Peter Kunert | 1990-07-17 |
| 4792065 | Composite ejecting piston with chamber | Josef Neuhoerl, Armin Hoffman | 1988-12-20 |