Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619089 | Compositions of and methods for using hydraulic fracturing fluid for petroleum production | Fakuen Frank Chang, Christie H. Lee | 2020-04-14 |
| 10604694 | Process and composition for sand and proppant flowback | Christie Huimin Berger | 2020-03-31 |