Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648049 | Heat treated heavy weight drill pipe | Wenhui Jiang, Fengxiao Liu, Alan W. Lockstedt | 2020-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648049 | Heat treated heavy weight drill pipe | Wenhui Jiang, Fengxiao Liu, Alan W. Lockstedt | 2020-05-12 |