Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285639 | Electronic control for variable displacement pumps | Richard H. Woodring, Paul K. Houtman, Thomas Kowalski | 1981-08-25 |
| 4275997 | Hydraulic pump with proportional pressure controller | Richard H. Woodring, Paul K. Houtman, Thomas Kowalski | 1981-06-30 |