Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012582 | Sintered proppant made with a raw material containing alkaline earth equivalent | Ashok Santra, Lewis R. Norman, Mark Parker, Ronald J. Powell, Rajesh Kumar Saini | 2011-09-06 |