Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10036223 | Methods of gripping a tubular with a slip device | Dewey James Louvier, Charles Don Coppedge, Shyang Wen Tseng | 2018-07-31 |
| 9359851 | High energy tubular shear | Charles Don Coppedge, Shyang Wen Tseng | 2016-06-07 |
| 9316073 | Slip device for wellbore tubulars | Dewey James Louvier, Charles Don Coppedge, Shyang Wen Tseng | 2016-04-19 |