Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10208242 | Proppant with polyurea-type coating | Robert Ray McDaniel, Ralph Edward Barthel, Spyridon Monastiriotis | 2019-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10208242 | Proppant with polyurea-type coating | Robert Ray McDaniel, Ralph Edward Barthel, Spyridon Monastiriotis | 2019-02-19 |