Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053595 | Additives for improving drag injection | Ray L. Johnston, Richard D. Thomas, Timothy L. Burden | 2018-08-21 |
| 9951151 | Miniemulsion polymerization to prepare drag reducers | Kenneth W. Smith | 2018-04-24 |