Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |