Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480843 | Polymeric annular snubbing apparatus | John J. Garner | 1984-11-06 |
| 4431704 | Composition for blowout preventer | — | 1984-02-14 |
| 4419479 | Reinforced carboxy nitrile polymer compositions containing particulate nickel | — | 1983-12-06 |