Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D689912 | Abrasive disc with a distribution of holes | Zhiwei Fu, Guangji Chen | 2013-09-17 |
| D689913 | Abrasive disc with a distribution of holes | Zhiwei Fu, Mingchao Rong | 2013-09-17 |
| D687471 | Abrasive disc with a distribution of holes | Zhiwei Fu, Guangji Chen | 2013-08-06 |
| D686255 | Abrasive disc with a distribution of holes | Zhiwei Fu, Mingchao Rong | 2013-07-16 |