Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725645 | Proppant with composite coating | Avis Lloyd McCrary, Robert Ray McDaniel, Ralph Edward Barthel | 2017-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725645 | Proppant with composite coating | Avis Lloyd McCrary, Robert Ray McDaniel, Ralph Edward Barthel | 2017-08-08 |