Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253622 | Cam phase change mechanism | Irvin Bornstein, Thomas B. Middlebrooks, Charles E. Benedict | 1993-10-19 |
| 5245957 | Spring assist system for internal combustion engine valves | Irvin Bornstein, Thomas B. Middlebrooks, Charles E. Benedict | 1993-09-21 |