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Robert D. Zera
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Minnetonka, MN, US
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last 30 patents
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Patent Grant
Doll plus invertable container
Patent number
5,224,894
Issue date
Jul 6, 1993
Tonka Corporation
Walter L. Nelson
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Toy car launcher with cable driven shuttle and pulleys
Patent number
5,052,973
Issue date
Oct 1, 1991
Tonka Corporation
Elliot A. Rudell
A63 - SPORTS GAMES AMUSEMENTS