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Roller skate
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Patent number 6,443,464
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Issue date Sep 3, 2002
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Land Roller, Inc.
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Bert Lovitt
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A63 - SPORTS GAMES AMUSEMENTS
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Roller skate
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Patent number 6,273,437
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Issue date Aug 14, 2001
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Land Roller, Inc.
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Bert Lovitt
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A63 - SPORTS GAMES AMUSEMENTS
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Roller skate
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Patent number 5,951,028
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Issue date Sep 14, 1999
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Land Roller, Inc.
-
Bert Lovitt
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A63 - SPORTS GAMES AMUSEMENTS