Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866938 | Master cylinder piston with floating sealing ring recuperation valve | Michael J. Hawker, Peter Goodwin | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866938 | Master cylinder piston with floating sealing ring recuperation valve | Michael J. Hawker, Peter Goodwin | 1989-09-19 |