Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862426 | Method and apparatus for operating equipment in a remote location | Thomas G. Cassity, William C. Montgomery, Gerald S. Baker, William M. Taylor | 1989-08-29 |
| 4830109 | Casing patch method and apparatus | — | 1989-05-16 |