Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339323 | Lightweight proppant and methods for making and using same | Todd Roper, Thu Lieng, Olatunji Orekha | 2022-05-24 |
| 10294413 | Lightweight proppant and methods for making and using same | Todd Roper, Thu Lieng, Olatunji Orekha | 2019-05-21 |
| 7119039 | Titanium dioxide scouring media and method of production | Claude Krause | 2006-10-10 |