Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8916508 | Drag-reducing copolymer compositions | Earl Parnell, Marlin D. Holtmyer, David Philpot, Andrei Zelenev, Gydeon Gilzow +2 more | 2014-12-23 |
| 8865632 | Drag-reducing copolymer compositions | Earl Parnell, Marlin D. Holtmyer, David Philpot, Andrei Zelenev, Gydeon Gilzow +2 more | 2014-10-21 |
| 5559082 | Borate-starch compositions for use in oil field and other industrial applications | Adrian P. Kightlinger, J. Reagan Davis | 1996-09-24 |