Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875742 | Solenoid operated hydraulic control valve | — | 1989-10-24 |
| 4866938 | Master cylinder piston with floating sealing ring recuperation valve | Colm Keegan, Peter Goodwin | 1989-09-19 |