Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631131 | Polyaminopolyamide-epichlorohydrin resins for use as clay and shale inhibition agents for the drilling industry | Cole A. Witham, Michael K. Poindexter, Stephen W. King | 2017-04-25 |