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Christopher Freres
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Downers Grove, IL, US
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last 30 patents
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Patent Grant
Sandbox formed from interlocking panels
Patent number
7,601,069
Issue date
Oct 13, 2009
Christopher Freres
A63 - SPORTS GAMES AMUSEMENTS
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last 30 patents
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Patent Application
Sandbox formed from interlocking panels
Publication number
20080090668
Publication date
Apr 17, 2008
Christopher Freres
A63 - SPORTS GAMES AMUSEMENTS