Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349205 | Annulus sealing device with anti-extrusion rings | John K. McGee | 1982-09-14 |
| 4343477 | Sealing device with thermal expansion pressure accumulator | — | 1982-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349205 | Annulus sealing device with anti-extrusion rings | John K. McGee | 1982-09-14 |
| 4343477 | Sealing device with thermal expansion pressure accumulator | — | 1982-08-10 |