Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980825 | Servo valve analyzing system and method | Keith Wilson, David R. Shoptaw | 1990-12-25 |
| 4885943 | Electronic flowmeter system and method | Keith Wilson, David R. Shoptaw | 1989-12-12 |