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Flexible skate frame
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Patent number 5,904,360
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Issue date May 18, 1999
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99 Innovations, Inc.
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Eduard W. H. Oliemans
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A63 - SPORTS GAMES AMUSEMENTS
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Flexible skate frame
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Patent number 5,704,620
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Issue date Jan 6, 1998
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99 Innovations, Inc.
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Eduard Willem H. Oliemans
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A63 - SPORTS GAMES AMUSEMENTS
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Skate apparatus
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Patent number 5,277,437
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Issue date Jan 11, 1994
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Dan S. Moats
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A63 - SPORTS GAMES AMUSEMENTS
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Skate cushioning device
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Patent number 5,085,445
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Issue date Feb 4, 1992
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Willis G. Boyden
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A63 - SPORTS GAMES AMUSEMENTS
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Roller skate apparatus
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Patent number 4,666,168
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Issue date May 19, 1987
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Roller Barons, Inc.
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Steve Hamill
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A63 - SPORTS GAMES AMUSEMENTS
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Skate apparatus
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Patent number 4,666,169
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Issue date May 19, 1987
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Roller Barons, Inc.
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Steve Hamill
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A63 - SPORTS GAMES AMUSEMENTS