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David Windslow
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Cincinnati, OH, US
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last 30 patents
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Patent Grant
Toy trolley
Patent number
D276173
Issue date
Oct 30, 1984
American Greetings Corporation
Robert K. Allen
D21 - Games, toys, and sports goods
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Patent Grant
Wheeled figure toy
Patent number
D275212
Issue date
Aug 21, 1984
American Greetings Corporation
Robert K. Allen
D21 - Games, toys, and sports goods