Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322081 | Circumferential seal with ceramic rotor | M Rifat Ullah, Michael F. O'Brien, Gary L. Boyd | 2001-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322081 | Circumferential seal with ceramic rotor | M Rifat Ullah, Michael F. O'Brien, Gary L. Boyd | 2001-11-27 |