Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763503 | Apparatus for making a cam shaft | Robert W. Hughes, Robert H. Brisson | 1988-08-16 |
| 4738012 | Method of making a cam shaft | Robert W. Hughes, Robert H. Brisson | 1988-04-19 |
| 4693138 | Cam shaft with expanded hollow shaft | Robert W. Hughes, Robert H. Brisson | 1987-09-15 |