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Ball wheel
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Patent number 8,533,908
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Issue date Sep 17, 2013
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Tumi, Inc.
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Paul Scicluna
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A45 - HAND OR TRAVELLING ARTICLES
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Novelty gliders for walkers
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Patent number 8,230,552
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Issue date Jul 31, 2012
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Louise Ann Klugh
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Anti-tip wheel for a wheelchair
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Patent number 7,311,329
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Issue date Dec 25, 2007
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Pride Mobility Products Corporation
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James P. Mulhern
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Hand-pushed mower
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Patent number 7,222,476
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Issue date May 29, 2007
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VIV Engineering Inc.
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Tadashi Hishida
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Caster structure
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Patent number 6,530,119
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Issue date Mar 11, 2003
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Tsung Han Yeh
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B60 - VEHICLES IN GENERAL
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Ball-type anti-friction device
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Patent number 6,457,865
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Issue date Oct 1, 2002
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Camillo A. Masciarelli
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Ball-type anti-friction device
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Patent number 6,120,185
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Issue date Sep 19, 2000
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Camillo Masciarelli
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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-
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Inline skateboard
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Patent number 5,601,299
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Issue date Feb 11, 1997
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Young W. Yun
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A63 - SPORTS GAMES AMUSEMENTS
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Inline skateboard
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Patent number 5,549,331
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Issue date Aug 27, 1996
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Young W. Yun
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A63 - SPORTS GAMES AMUSEMENTS
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Caster device
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Patent number 5,479,677
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Issue date Jan 2, 1996
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Ping-Feng Chong
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B60 - VEHICLES IN GENERAL
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Caster for baggage
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Patent number 5,412,838
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Issue date May 9, 1995
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I-Min Yang
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B60 - VEHICLES IN GENERAL
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Conveyor ball unit
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Patent number 5,219,058
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Issue date Jun 15, 1993
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Electro Pneumatic International GmbH
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Jarl Sundseth
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Ball unit
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Patent number 5,096,308
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Issue date Mar 17, 1992
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Jarl Sundseth
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Trackball device
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Patent number 5,078,019
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Issue date Jan 7, 1992
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Alps Electric Co., Ltd.
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Tsuyoshi Aoki
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G06 - COMPUTING CALCULATING COUNTING
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Free wheel caster
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Patent number 4,996,738
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Issue date Mar 5, 1991
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Salustiano Tifre
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B60 - VEHICLES IN GENERAL
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Movable support
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Patent number 4,955,099
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Issue date Sep 11, 1990
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Liberty Pool Products S.A.
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Carl F. W. Supra
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B60 - VEHICLES IN GENERAL
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Conveyor ball unit
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Patent number 4,871,052
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Issue date Oct 3, 1989
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Bavaria Cargo Technologie GmbH
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Thomas Huber
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B60 - VEHICLES IN GENERAL
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Dispensing rack
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Patent number 4,800,821
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Issue date Jan 31, 1989
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Harbor Industries
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Thomas J. Nook
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Rolling member
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Patent number 4,778,041
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Issue date Oct 18, 1988
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Deutsche Star GmbH
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Gunter Blaurock
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Anti-friction element
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Patent number 4,732,490
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Issue date Mar 22, 1988
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Camillo Masciarelli
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL