Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8943919 | Over shaft rotary actuator with internal clamp | — | 2015-02-03 |
| 8157242 | Valve actuator with lock mechanism | Gerald R. Parsons | 2012-04-17 |
| 4930257 | Thermal break door frame assembly | — | 1990-06-05 |