Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427202 | Combination static oil seal and rotary dust seal | — | 1984-01-24 |
| 4369980 | Fire ring for cylinder head gasket | — | 1983-01-25 |
| 4337954 | Wear sleeve oil seal | Jerome L. Berti | 1982-07-06 |
| 4265495 | Engine block and crankshaft bearing seal | — | 1981-05-05 |
| 4239303 | Full contact crankshaft bearing | — | 1980-12-16 |