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Face of a tennis racquet
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Patent number D401635
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Issue date Nov 24, 1998
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Prince Sports Group, Inc.
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Stephen J. Davis
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D21 - Games, toys, and sports goods
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Tennis racquet
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Patent number D394094
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Issue date May 5, 1998
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Prince Manufacturing, Inc.
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Stephen J. Davis
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D21 - Games, toys, and sports goods
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Long tennis racquet
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Patent number 5,464,210
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Issue date Nov 7, 1995
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Prince Sports Group, Inc.
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Stephen J. Davis
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A63 - SPORTS GAMES AMUSEMENTS
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Double strung tennis racquet
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Patent number 5,322,279
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Issue date Jun 21, 1994
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Prince Manufacturing, Inc.
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Stephen J. Davis
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A63 - SPORTS GAMES AMUSEMENTS