Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7650517 | Throttle management for blade system | James E. Hughes, Henry G. McMillan, Challis L. Purrington, Michael L. Scollard, Gary R. Shippy +1 more | 2010-01-19 |
| 7475295 | Intelligent watchdog circuit | Challis L. Purrington, Christopher C. West, Jack P. Wong | 2009-01-06 |