Inventor
FREEMAN RICHARD GLEN
US7 patents
Patents
7 patentsUS6608618B2Aug 19, 2003
Interactive apparatus using print media
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US6641401B2Nov 4, 2003
Interactive apparatus with templates
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US6905391B2Jun 14, 2005
Scanning toy
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US7106309B2Sep 12, 2006
Interactive apparatus using print media
LEAPFROG ENTPR INC25 citations91
US7249950B2Jul 31, 2007
Display apparatus for teaching writing
LEAPFROG ENTPR INC39 citations90
US8025504B2Sep 27, 2011
Display apparatus for teaching writing
LEAPFROG ENTPR INC12 citations82
US7792480B2Sep 7, 2010
Electrographic position location apparatus including recording capability and data cartridge including microphone
LEAPFROG ENTPR INC0 citations33