Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700213 | Integral inlet and pressure relief valve for an automotive tensioner | Roger T. Simpson | 1997-12-23 |
| 5655416 | Torsional absorber for camshaft sprockets | Philip J. Mott, Roger T. Simpson | 1997-08-12 |