Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854746 | Crankshaft bearing cap location scheme | Francis M. Hager | 1989-08-08 |
| 4655177 | Rocker arm support assembly | Larry Wells | 1987-04-07 |
| 4615314 | Reversible oil pan assembly | — | 1986-10-07 |
| 4244330 | Engine cylinder liner having a mid stop | Terrence M. Shaw, Roy James Primus, Richard E. Glasson | 1981-01-13 |
| 4237847 | Composite engine block having high strength to weight ratio | Stephen Nicholas Smith, Terrence M. Shaw | 1980-12-09 |