Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445607 | Clutch driven plate assembly | — | 1984-05-01 |
| 4239097 | Multiple stage vibration damper assembly | John F. Greacen, Thaddeus Lech, Jr. | 1980-12-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445607 | Clutch driven plate assembly | — | 1984-05-01 |
| 4239097 | Multiple stage vibration damper assembly | John F. Greacen, Thaddeus Lech, Jr. | 1980-12-16 |