Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D937647 | Chainsaw | Song Zhang | 2021-12-07 |
| D932858 | Drill | Song Zhang, Jens Näslund, Jianlong Chen, Thomas Arnell | 2021-10-12 |
| D924794 | Battery | Song Zhang, Thomas Arnell, Jens Näslund, Jianlong Chen | 2021-07-13 |
| D908083 | Charger | Titi Song | 2021-01-19 |