Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9822601 | System for setting and retrieving a seal assembly | Dennis P. Nguyen, Frank Z. Pei | 2017-11-21 |
| 9677367 | Non-rotating method and system for isolating wellhead pressure | Dennis P. Nguyen | 2017-06-13 |