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Charles H. DeVoe
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Portland, OR, US
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Patents Grants
last 30 patents
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Patent Grant
Capacitive touchpad and toy incorporating the same
Patent number
8,400,426
Issue date
Mar 19, 2013
Mattel, Inc.
James Zielinski
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Capacitive touchpad and toy incorporating the same
Patent number
8,098,240
Issue date
Jan 17, 2012
Mattel, Inc.
James Zielinski
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
CAPACITIVE TOUCHPAD AND TOY INCORPORATING THE SAME
Publication number
20120081336
Publication date
Apr 5, 2012
Mattel, Inc.
James Zielinski
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
CAPACITIVE TOUCHPAD AND TOY INCORPORATING THE SAME
Publication number
20090318229
Publication date
Dec 24, 2009
James Zielinski
G06 - COMPUTING CALCULATING COUNTING