Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233504 | Angle grinder | Jian Qu, Zhi Hai LIU | 2025-02-25 |
| 11712771 | Power tool dust collector | Michael R. Brewster, Tsz Kin Wong, Chin Hung Lam, Brian Wattenbach, Brandon L. Verbrugge +2 more | 2023-08-01 |
| 10695880 | Power tool dust collector | Michael R. Brewster, Tsz Kin Wong, Chin Hung Lam, Brian Wattenbach, Brandon L. Verbrugge +2 more | 2020-06-30 |
| 9776296 | Power tool dust collector | Michael R. Brewster, Tsz Kin Wong, Chin Hung Lam, Brian Wattenbach, Brandon L. Verbrugge +2 more | 2017-10-03 |