Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178551 | Valve | Kurt Wiederkehr | 2007-02-20 |
| 6056275 | Device for introducing gas into liquids | — | 2000-05-02 |
| 4735019 | Grinding head | — | 1988-04-05 |
| 4718337 | Apparatus for the treatment of plant material | — | 1988-01-12 |
| 4712770 | Electrical tensioning device for orthopedic adjustment means | — | 1987-12-15 |
| 4439075 | Toolholder for rotary tool | — | 1984-03-27 |
| 4385729 | Spreader for granular spreading material | — | 1983-05-31 |