Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714557 | Sliding sleeve having contracting, ringed ball seat | — | 2017-07-25 |
| 9714559 | Method and apparatus for hydraulic fracturing | Lev Ring | 2017-07-25 |
| 9670751 | Sliding sleeve having retrievable ball seat | Jason J. Brasseaux, David Ward | 2017-06-06 |