Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811703 | Valve stem seal | Brian F. Rericha | 1989-03-14 |
| 4811960 | Fixed valve stem oil seal | Brian F. Rericha | 1989-03-14 |
| 4799691 | Rear crankshaft seal housing with integrally bonded seal | Brian F. Rericha | 1989-01-24 |