Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838594 | Running and pulling tool | — | 1989-06-13 |
| 4811959 | Seal assembly for well locking mandrel | Russell Irving Bayh, III | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838594 | Running and pulling tool | — | 1989-06-13 |
| 4811959 | Seal assembly for well locking mandrel | Russell Irving Bayh, III | 1989-03-14 |