Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D939154 | Shedding grooming tool | ChangKang Tang | 2021-12-21 |
| D932713 | Undercoat deshedding tool | ChangKang Tang | 2021-10-05 |
| 11048291 | High speed FlexLED digital interface | Ruochen Zhang, Hongyan Wu, Qingjie Ma | 2021-06-29 |
| 11027404 | Lubricant-impregnated bushing for impact tool | Peter Malak, Michael R. Sande, Ryan A. Dedrickson, Guang Hu, Fan Bin Zeng +1 more | 2021-06-08 |