Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506316 | Composite slips for a frac plug | Jimmy L. Carr, Derrek D. Drury, Robert C. Andres | 2016-11-29 |
| 9453382 | Power charge igniter having a retainer protrusion | Jimmy L. Carr, Derrek D. Drury, Robert C. Andres | 2016-09-27 |