Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725989 | Sand control screen having improved reliability | Christian S. Mayer, Charles S. Yeh, David A. Howell, Pavlin B. Entchev, Eric R. Grueschow +6 more | 2017-08-08 |
| 9593559 | Fluid filtering device for a wellbore and method for completing a wellbore | Charles S. Yeh, Tracy J. Moffett, Andrey A. Troshko, Michael D. Barry, Michael T. Hecker +8 more | 2017-03-14 |