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Ice wheels
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Patent number 6,578,930
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Issue date Jun 17, 2003
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Richard L. Alderman
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A63 - SPORTS GAMES AMUSEMENTS
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Modified wheels for ice
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Patent number 6,322,154
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Issue date Nov 27, 2001
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Richard L. Alderman
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A63 - SPORTS GAMES AMUSEMENTS
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In-line ice skates
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Patent number 6,182,980
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Issue date Feb 6, 2001
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Ronnie Smith
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A63 - SPORTS GAMES AMUSEMENTS
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Isoblader skates
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Patent number 6,032,962
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Issue date Mar 7, 2000
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Vito DiGregorio
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A63 - SPORTS GAMES AMUSEMENTS
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In-line skate and wheel
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Patent number 5,915,702
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Issue date Jun 29, 1999
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Gerald C. Kirschling
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A63 - SPORTS GAMES AMUSEMENTS
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3907369
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Patent number 3,907,369
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Issue date Sep 23, 1975
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A63 - SPORTS GAMES AMUSEMENTS
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1489197
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Patent number 1,489,197
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Issue date Apr 1, 1924
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A63 - SPORTS GAMES AMUSEMENTS