Inventor

KUEI YAO WILLEY JULIE WU

US3 patents

Patents

3 patents

US7567242B2Jul 28, 2009

Writing stylus

LEAPFROG ENTPR INC37 citations93

US7068262B2Jun 27, 2006

Writing stylus for electrographic position location apparatus

LEAPFROG ENTPR INC20 citations90

US7224348B2May 29, 2007

Writing stylus

LEAPFROG ENTPR INC6 citations71