Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10100247 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Ralph Edward Barthel | 2018-10-16 |
| 10087360 | Dual function proppants | Robert Ray McDaniel | 2018-10-02 |