Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697438 | Torque control device for downhole milling | Hans H. Rehbock, Edgar D. Lueders | 1997-12-16 |
| 5690170 | Hydraulic cutting overshot | Charles D. Hailey | 1997-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697438 | Torque control device for downhole milling | Hans H. Rehbock, Edgar D. Lueders | 1997-12-16 |
| 5690170 | Hydraulic cutting overshot | Charles D. Hailey | 1997-11-25 |