Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858694 | Heave compensated stabbing and landing tool | Joseph A. Burkhardt, Thomas W. Childers | 1989-08-22 |
| H635 | Injection mandrel | John R. Gordon | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858694 | Heave compensated stabbing and landing tool | Joseph A. Burkhardt, Thomas W. Childers | 1989-08-22 |
| H635 | Injection mandrel | John R. Gordon | 1989-06-06 |