Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346485 | Shaft mechanical lock for pipeline isolation tools | Khanh Van Nguyen | 2022-05-31 |
| 10774970 | Shaft mechanical lock for pipeline isolation tools | Khanh Van Nguyen | 2020-09-15 |