Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862844 | Valve assembly for internal combustion engine | Russell J. Wakeman | 1989-09-05 |
| 4796573 | Hydraulic engine valve lifter assembly | Russell J. Wakeman | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862844 | Valve assembly for internal combustion engine | Russell J. Wakeman | 1989-09-05 |
| 4796573 | Hydraulic engine valve lifter assembly | Russell J. Wakeman | 1989-01-10 |