Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503342 | Proportional directional control valve with a magnetic positioning sensor | Travis Raymond Piehl | 2009-03-17 |
| 7070161 | Proportional directional control valve with a magnetic positioning sensor | Travis Raymond Piehl | 2006-07-04 |
| 5746355 | Dispenser for pulverulent material | — | 1998-05-05 |