Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901963 | Gas nitrided taper faced keystone piston ring incorporating a sealing land and orientation groove | Russell E. Hite, John C. Lahrman | 1999-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901963 | Gas nitrided taper faced keystone piston ring incorporating a sealing land and orientation groove | Russell E. Hite, John C. Lahrman | 1999-05-11 |