Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291000 | Rolling cutter with improved rolling efficiency | Youhe Zhang, Yuelin Shen, Yuri Burhan | 2016-03-22 |
| 9284785 | Drill bits having depth of cut control features and methods of making and using the same | — | 2016-03-15 |
| 9284786 | Drill bits having depth of cut control features and methods of making and using the same | — | 2016-03-15 |