Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308917 | Buoyant tubulars and method for installing same in a well bore | — | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308917 | Buoyant tubulars and method for installing same in a well bore | — | 1982-01-05 |