Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230414 | Coupling assembly component | — | 1993-07-27 |
| 5046593 | Coupling assembly | Marcus H. Collins | 1991-09-10 |
| 4874068 | Clutch and brake rapid exhaust manifold | Marcus H. Collins | 1989-10-17 |