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Education and Entertainment
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UNITED STATES PATENT MODEL FOUNDATION
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Education and Entertainment
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UNITED STATES PATENT MODEL FOUNDATION
Aug 2, 2005
Education and Entertainment
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UNITED STATES PATENT MODEL FOUNDATION
Aug 16, 1988
Education and Entertainment
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UNITED STATES PATENT MODEL FOUNDATION
Dec 27, 1988
Education and Entertainment
Owner
UNITED STATES PATENT MODEL FOUNDATION
Mar 29, 1988