Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D335909 | Electronic multiple activity toy housing | Donny Leung | 1993-05-25 |
| D333814 | Combined electronic drawing stylus and tablet housing | Albert Y. Chung Cheung | 1993-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D335909 | Electronic multiple activity toy housing | Donny Leung | 1993-05-25 |
| D333814 | Combined electronic drawing stylus and tablet housing | Albert Y. Chung Cheung | 1993-03-09 |