Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543551 | Pipe handling device | Richard W. McEwen, Arthur D. Deken, Cody L. Sewell, Ronald A. Frazier, James E. Franklin +2 more | 2003-04-08 |
| 6085852 | Pipe handling device | Richard W. McEwen, Arthur D. Deken, Cody L. Sewell, Ronald A. Frazier, James E. Franklin +1 more | 2000-07-11 |
| 5544712 | Drill pipe breakout device | Richard W. McEwen | 1996-08-13 |