Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577742 | Metallic stem seal with inclined channel and integral support member | Terence P. Nicholson | 1996-11-26 |
| 4798392 | Hollow metallic sealing ring | — | 1989-01-17 |
| 4784397 | Hollow metallic sealing ring | — | 1988-11-15 |
| 4597596 | Cylinder end seal | — | 1986-07-01 |