Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858295 | Method of making a camshaft for reciprocating piston engines | Michael J. Hartnett, Robert Lugosi, James Rollins, John P. Cook | 1989-08-22 |
| 4847963 | Camshaft manufacture | John A. Bendoraitas | 1989-07-18 |
| 4809562 | Camshaft manufacture | John A. Bendoraitas | 1989-03-07 |