Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874068 | Clutch and brake rapid exhaust manifold | Ronald W. Diesch | 1989-10-17 |
| 4828089 | Brake/clutch with direct liquid cooling | Peter S. Winckler | 1989-05-09 |
| 4807731 | Clutch and brake assembly | — | 1989-02-28 |