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William Willet
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Orange, CA, US
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last 30 patents
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Patent Grant
Articulated walking toy device
Patent number
7,938,708
Issue date
May 10, 2011
Mattel, Inc.
William Willet
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Water actuated toy kitchen set
Patent number
5,215,491
Issue date
Jun 1, 1993
Mattel, Inc.
William Willet
A63 - SPORTS GAMES AMUSEMENTS