Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850717 | Methods for designing fixed cutter bits and bits made using such methods | Zhehua Zhang | 2017-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850717 | Methods for designing fixed cutter bits and bits made using such methods | Zhehua Zhang | 2017-12-26 |