Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865176 | Modulating inching valve with automatic pressure control | William W. Blake, Kenneth F. Golan, Hugh C. Morris | 1989-09-12 |
| 4817770 | Control system for independent control of fluid actuated devices | — | 1989-04-04 |
| 4798099 | Control mechanism for operating a vehicle | George F. Alexander, David M. Fee, Craig W. Riediger | 1989-01-17 |