Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487622 | Lock ring hold open device for frac sleeve | James S. Sanchez, Wara C. Bocangel | 2019-11-26 |
| 10378311 | Hydraulically opened and ball on seat closed sliding sleeve assembly | Wara Bocangel Calderon, Robert S. O'Brien, James S. Sanchez | 2019-08-13 |