Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821514 | Pressure flow compensating control circuit | Randy Schmidt, Steven G. Brandau, James A. Miller | 1989-04-18 |
| 4804016 | Fluid controller with improved pressure balancing | William J. Novacek | 1989-02-14 |