Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230679 | Valve stem seal with pads and tangs | Mark A. Stamback, Robert W. Lehmann | 2001-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230679 | Valve stem seal with pads and tangs | Mark A. Stamback, Robert W. Lehmann | 2001-05-15 |