Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161236 | Methods for fracturing subterranean formations | Robert D. Skala, Christopher E. Coker | 2018-12-25 |
| 9975813 | Proppants and methods of making the same | Erik K. Koep, Chadra Khadilkar | 2018-05-22 |