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Sanding disc
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Patent number 6,761,746
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Issue date Jul 13, 2004
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3M Innovative Properties Company
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Larry D. Rich
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B24 - GRINDING POLISHING
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Sanding disc
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Patent number 6,530,830
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Issue date Mar 11, 2003
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3M Innovative Properties Company
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Larry D. Rich
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B24 - GRINDING POLISHING
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Multiple abrasive assembly and method
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Patent number 6,261,164
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Issue date Jul 17, 2001
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3M Innovative Properties Company
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Allen J. Rivard
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Multiple abrasive assembly and method
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Patent number 6,234,886
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Issue date May 22, 2001
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3M Innovative Properties Company
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Allen J. Rivard
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...