Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639461 | Reversible oil-based mud | Pawilai Chinwangso, Hui Zhang, Changping Sui | 2023-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639461 | Reversible oil-based mud | Pawilai Chinwangso, Hui Zhang, Changping Sui | 2023-05-02 |