Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053943 | Annular sealing for use with a well | Don M. Hannegan, James W. Chambers | 2018-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053943 | Annular sealing for use with a well | Don M. Hannegan, James W. Chambers | 2018-08-21 |