Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508231 | Attrition resistant proppant composite and its composition matters | Frank Bor-Her Chen, Michael Diaz, Rachel E. Mathis | 2019-12-17 |
| 10435624 | Attrition resistant proppant composite and its composition matters | Frank Bor-Her Chen, Michael Diaz, Rachel E. Mathis | 2019-10-08 |