Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873337 | In-guide valve stem seal | — | 1999-02-23 |
| 5701861 | Cylinder with hybrid bore surface | Timothy A. Hegemier | 1997-12-30 |
| 5618046 | Piston ring assembly | — | 1997-04-08 |
| 5547203 | Segmented ceramic inlay piston ring | — | 1996-08-20 |
| 5425306 | Composite insert for use in a piston | — | 1995-06-20 |
| 5174256 | Variable guide height valve seal | — | 1992-12-29 |