Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179682 | Teaching toy telephone | Barbara Plain, Wai Hing Kim | 2001-01-30 |
| 5999339 | Hand-held magnifying device | Wai Hing Kam, Eric Toriumi | 1999-12-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179682 | Teaching toy telephone | Barbara Plain, Wai Hing Kim | 2001-01-30 |
| 5999339 | Hand-held magnifying device | Wai Hing Kam, Eric Toriumi | 1999-12-07 |