Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146989 | Apparatus for recovering a wellhead | — | 1992-09-15 |
| 4703802 | Cutting and recovery tool | Leonard B. Bryan, Hector O. McDonald | 1987-11-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146989 | Apparatus for recovering a wellhead | — | 1992-09-15 |
| 4703802 | Cutting and recovery tool | Leonard B. Bryan, Hector O. McDonald | 1987-11-03 |