Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624731 | Rolling cutter with side retention | Youhe Zhang | 2017-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624731 | Rolling cutter with side retention | Youhe Zhang | 2017-04-18 |