Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341499 | Toy glider | Anatol Wizenberg, Wai Bun Choi, Ming To Chan, Lai Hong Man | 2008-03-11 |
| 7223073 | Boat propeller | — | 2007-05-29 |
| D536744 | Toy glider | Anatol Wizenberg, Wai Bun Choi, Ming To Chan, Lai Hong Man | 2007-02-13 |
| 6699016 | Boat propeller | — | 2004-03-02 |
| 5180286 | Propeller assembly | — | 1993-01-19 |