Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580791 | Variable friction secondary seal for face seals | — | 1986-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580791 | Variable friction secondary seal for face seals | — | 1986-04-08 |