Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694892 | Roller camshaft for internal combustion engine | — | 1997-12-09 |
| 5653377 | Friction welded valve seats | Stephen George Russ | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694892 | Roller camshaft for internal combustion engine | — | 1997-12-09 |
| 5653377 | Friction welded valve seats | Stephen George Russ | 1997-08-05 |