Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063000 | Low bulk density proppant and methods for producing the same | — | 2011-11-22 |
| 7921910 | Tagged propping agents and related methods | Robert Duenckel, Thomas C. Palamara | 2011-04-12 |