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Hollow wheel set
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Patent number 8,549,705
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Issue date Oct 8, 2013
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Chen-Chuan Wu
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B60 - VEHICLES IN GENERAL
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Caster wheel system
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Patent number 8,413,295
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Issue date Apr 9, 2013
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Glenn Campbell
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B60 - VEHICLES IN GENERAL
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Folding chair with wheels
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Patent number 7,410,211
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Issue date Aug 12, 2008
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Mei Chuen Lin
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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On a wheel of a rack
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Patent number 6,810,561
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Issue date Nov 2, 2004
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Taiwan Ultra Power Industries Ltd.
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Wen-Che Liu
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B60 - VEHICLES IN GENERAL
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Picnic table caster assembly
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Patent number 4,974,284
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Issue date Dec 4, 1990
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Faultless-Doerner Manufacturing Inc.
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John Campbell
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B60 - VEHICLES IN GENERAL
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Adjustable roller assembly
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Patent number 4,748,715
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Issue date Jun 7, 1988
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General Electric Company
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Frank L. Rice
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B60 - VEHICLES IN GENERAL
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2951258
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Issue date Sep 6, 1960
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B60 - VEHICLES IN GENERAL
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2729843
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Issue date Jan 10, 1956
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2683277
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Issue date Jul 13, 1954
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B66 - HOISTING LIFTING HAULING
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2658770
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Patent number 2,658,770
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Issue date Nov 10, 1953
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Patent number 2,526,115
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Issue date Oct 17, 1950
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING