Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611960 | Tool holder | Raymond N. Quenneville, Harry H. Mayne | 1986-09-16 |
| 4572114 | Process and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycle | — | 1986-02-25 |
| 4271796 | Pressure relief system for engine brake | Donald J. McCarthy, Raymond N. Quenneville | 1981-06-09 |