Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D797913 | Portable air conditioning unit | Dino Asvaintra, Peter Lau, Barkley Zhou | 2017-09-19 |
| D766271 | Electronic display screen or portion thereof with graphical user interface | Peter Lau, Jie Gao, Barkley Zhou | 2016-09-13 |
| 7591615 | Sheet material cutting machine with vacuum cleaning system | Yoshimasa Okada | 2009-09-22 |
| 4320539 | Drain clearing device | — | 1982-03-23 |