Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34139 | Engine piston assembly and forged piston member therefor having a cooling recess | Kenton Erickson, James A. Green, David S. Nycz | 1992-12-08 |
| 4867119 | Engine piston assembly and forged piston member therefor having a cooling recess | Kenton Erickson, James A. Green, David S. Nycz | 1989-09-19 |