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Vibration damper
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Patent number 9,169,893
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Issue date Oct 27, 2015
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Susan Joyce Williamson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Portable cleaning system
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Patent number 8,584,308
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Issue date Nov 19, 2013
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Nilfisk Advance A/S
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Susan J. Williamson
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Portable cleaning system
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Patent number 7,950,103
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Issue date May 31, 2011
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Nilfisk-A/S
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Susan J. Williamson
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Portable cleaning assembly
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Patent number 7,210,193
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Issue date May 1, 2007
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Glen E. Moore
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Portable cleaning assembly
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Patent number 6,732,403
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Issue date May 11, 2004
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Glen E. Moore
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...