Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D563414 | Data disc enclosure | Stephine Mak Pui See | 2008-03-04 |
| D553619 | Video game controller with rotational element | Pui See (Stephine) Mak | 2007-10-23 |
| D538858 | Video game console | Stephine Mak Pui See | 2007-03-20 |
| D337771 | Electronic toy audio amplifier and sound effects housing | — | 1993-07-27 |
| D335909 | Electronic multiple activity toy housing | Lanette O. Swanson | 1993-05-25 |
| D321016 | Electronic educational game housing | — | 1991-10-22 |
| D318880 | Electronic educational game for teaching children colors, numbers, nursery rhymes and the like | David Cheung | 1991-08-06 |
| D318491 | Combined keyboard and electronic learning aid | David Cheung, Wu T. Yiu | 1991-07-23 |
| D318069 | Electronic educational game for introducing children to basic math functions | David Cheung | 1991-07-09 |
| D314980 | Electronic learning aid | — | 1991-02-26 |
| D311523 | Housing for an electronic educational video system | David Cheung, Wu T. Yiu | 1990-10-23 |
| D310521 | Combined drawing tablet and cursor control for computer | — | 1990-09-11 |
| D309331 | Electronic game housing | — | 1990-07-17 |
| D309161 | Electronic game housing | — | 1990-07-10 |