Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790233 | Method and apparatus for controlling hydraulic systems | La Moyne W. Durham | 1988-12-13 |
| 4789001 | Operating system for a valve | Lamoyne W. Durham | 1988-12-06 |
| 4752867 | Control circuitry for electric drives | Lamoyne W. Durham | 1988-06-21 |
| 4706456 | Method and apparatus for controlling hydraulic systems | La Moyne W. Durham | 1987-11-17 |
| 4658859 | Valve spool with cross drill ports | Lamoyne W. Durham | 1987-04-21 |