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Cutter sharpening device
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Patent number 5,816,898
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Issue date Oct 6, 1998
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Woodworker's Supply
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John Wirth
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B24 - GRINDING POLISHING
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3518797
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Patent number 3,518,797
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Issue date Jul 7, 1970
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B24 - GRINDING POLISHING
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2629974
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Patent number 2,629,974
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Issue date Feb 24, 1953
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B24 - GRINDING POLISHING
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2554689
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Patent number 2,554,689
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Issue date May 29, 1951
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B24 - GRINDING POLISHING
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2353131
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Patent number 2,353,131
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Issue date Jul 11, 1944
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B24 - GRINDING POLISHING
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2212855
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Patent number 2,212,855
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Issue date Aug 27, 1940
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B24 - GRINDING POLISHING
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2144095
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Patent number 2,144,095
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Issue date Jan 17, 1939
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B24 - GRINDING POLISHING
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1675981
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Patent number 1,675,981
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Issue date Jul 3, 1928
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B24 - GRINDING POLISHING