Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689225 | Tubing hanger assembly with single trip internal lock down mechanism | Harsono Harsono | 2017-06-27 |
| 8662189 | Tubing hanger assembly with single trip internal lock down mechanism | Harsono Harsono | 2014-03-04 |