Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D360224 | Housing for an electronic instructional game apparatus | Chi K. W. Chow, Frederick L. T. Tsang | 1995-07-11 |
| D350373 | Housing for an electronic instructional game apparatus | Chi K. W. Chow, Frederick L. T. Tsang | 1994-09-06 |
| D348483 | Housing for an electronic instructional game apparatus | Chi K. W. Chow | 1994-07-05 |