Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D865516 | Packaging box | Jidong Zhong | 2019-11-05 |
| 10308866 | Synergistic effect of cosurfactants on the rheological performance of drilling, completion and fracturing fluids | James F. Gadberry | 2019-06-04 |
| 10233537 | Artificial joint cup, magnetic control sputtering coating film device and preparation method thereof | Gong Jin, Jiangping TU | 2019-03-19 |