Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9739395 | Grid valve apparatus | Alan LePain, Fred Woehr | 2017-08-22 |
| 9334759 | Grid valve assembly | Kevin John Lewis Roy, Patrick Michael Wing, Jeffrey Robert Simkins, Frederick A. Woehr | 2016-05-10 |