Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848180 | Low-friction, boat-type rocker arm | — | 1989-07-18 |
| 4825717 | Rocker arm of the cam-follower type with ribs | — | 1989-05-02 |
| 4796483 | Cold-formed rocker arm with cam-contacting roller | Ramanlal L. Patel | 1989-01-10 |