Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974289 | Methods of mitigating bituminous material adhesion using nano-particles | Lee J. Hall | 2021-04-13 |
| 10947434 | Additive to enhance sag stability of drilling fluid | Chesnee Lae Davis, William Walter Shumway | 2021-03-16 |