Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5036886 | Digital servo valve system | Zenny Olsen, Eric Hamman, Gary D'Angelo | 1991-08-06 |
| 4951549 | Digital servo valve system | Zenny Olsen, Eric Hamman, Gary D'Angelo | 1990-08-28 |