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Ice skate blade
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Patent number 5,826,890
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Issue date Oct 27, 1998
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Orebroskenan Aktiebolag
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Jerker Swande
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A63 - SPORTS GAMES AMUSEMENTS
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Skate
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Patent number 5,779,246
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Issue date Jul 14, 1998
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Orebroskenan Aktiebolag
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Kent Bengtsson
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A43 - FOOTWEAR
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Blade of an ice skate
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Patent number 5,570,893
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Issue date Nov 5, 1996
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Orebroskenan Aktiebolag
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Jerker Swande
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A63 - SPORTS GAMES AMUSEMENTS
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Ice skate blade
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Patent number D373807
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Issue date Sep 17, 1996
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Orebroskenan Aktiebolag
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Jerker E. Swande
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D21 - Games, toys, and sports goods