Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072539 | Valve stem seal assembly with a symmetrical retainer | Troy D. McArthy | 2018-09-11 |
| 7438036 | Oil metering valve seal | Robert W. Lehmann | 2008-10-21 |
| 6148783 | Valve seal body including encapsulated metal spring seat and method for making the same | Troy D. McArthy | 2000-11-21 |
| 6119645 | Valve stem seal with non-rotatable retainer | — | 2000-09-19 |