Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7182314 | Apparatus for actuating a valve | Carroll Stein | 2007-02-27 |
| RE32579 | Motor operating parameter sensing apparatus | David Evans | 1988-01-19 |
| 4491775 | Motor operating parameter sensing apparatus | David Evans | 1985-01-01 |
| 4425815 | Wormwheels | Colin F. Norton | 1984-01-17 |