Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750564 | Tubing resettable well packer | Thomas L. Pettigrew | 1988-06-14 |
| 4378401 | Manufacture of structural board panels | — | 1983-03-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750564 | Tubing resettable well packer | Thomas L. Pettigrew | 1988-06-14 |
| 4378401 | Manufacture of structural board panels | — | 1983-03-29 |