Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098221 | Additives for improving DRA injection | Zhiyi Bao, Richard D. Thomas, Timothy L. Burden | 2021-08-24 |
| 11028210 | Core-shell flow improver | Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, Timothy L. Burden, William F. Harris +3 more | 2021-06-08 |