Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393014 | Hand held electronic game | Mak Yuen Martin Tsoi | 1998-03-31 |
| D382914 | Electronic game housing | Siu Fai Au Yeung | 1997-08-26 |
| D381702 | Electronic game | Siu Fai Au Yeung | 1997-07-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393014 | Hand held electronic game | Mak Yuen Martin Tsoi | 1998-03-31 |
| D382914 | Electronic game housing | Siu Fai Au Yeung | 1997-08-26 |
| D381702 | Electronic game | Siu Fai Au Yeung | 1997-07-29 |