Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8365773 | Valve device and testing method | Christopher Vansell, Fred Collins, Patrick Drayer | 2013-02-05 |
| D590933 | Vent cap device | Christopher Vansell, Fred Collins | 2009-04-21 |