Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635945 | Anti-extrusion seal with primary and secondary complementary elements | — | 1987-01-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635945 | Anti-extrusion seal with primary and secondary complementary elements | — | 1987-01-13 |