Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840874 | Hybrid rolling cone drill bits and methods for manufacturing same | Thang Vo | 2017-12-12 |
| 9249628 | Hybrid rolling cone drill bits and methods for manufacturing same | Thang Vo | 2016-02-02 |
| 9140071 | Apparatus and method for retaining inserts of a rolling cone drill bit | Thang Vo | 2015-09-22 |