Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5381631 | Method and apparatus for cutting metal casings with an ultrahigh-pressure abrasive fluid jet | Chidambaram Raghavan, John H. Olsen, Curtis L. Anderson | 1995-01-17 |
| 5360292 | Method and apparatus for removing mud from around and inside of casings | James R. Allen | 1994-11-01 |