Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791657 | Seals containing composite non-extrusion springs | David Cain, Andrew C. Posluszny, Jerald L. Smith, Robert Keith Stoddard, Jr., John C. Vicic +3 more | 1998-08-11 |
| 5180008 | Wellhead seal for wide temperature and pressure ranges | Tod Aldridge, John A. Fitzgerald, Allan K. McGregor, Ronald D. Quates, Appavoo Thangarasu +1 more | 1993-01-19 |