Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944558 | Wellbore cement compositions and wellbore cementing methods | Mark A. Vorderbruggen, Guido Gustavo Narvaez, Dong-Ming Shen | 2018-04-17 |
| 9359254 | Wellbore cement compositions and wellbore cementing methods | Mark A. Vorderbruggen, Guido Gustavo Narvaez, Dong-Ming Shen | 2016-06-07 |