Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457860 | Self suspending proppants with brine tolerance for hydraulic fracturing | James H. Penland, W. Kurt Hammesfahr | 2019-10-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457860 | Self suspending proppants with brine tolerance for hydraulic fracturing | James H. Penland, W. Kurt Hammesfahr | 2019-10-29 |