Ivy W. M. Yiu

VE Vtech Electronics: 1 patents #20 of 40Top 50%

VI Vtech Industries: 1 patents #8 of 26Top 35%

Overall (All Time): #2,234,637 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D420404	Electronic learning aid housing	—	2000-02-08
D407748	Electronic educational game housing	Frederick L. T. Tsang	1999-04-06