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All Patents of Type: sharpening jigs and fixtures
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
62,945Mar. 19, 1867P.V. DunnImproved method of holding edged tools on grindstonessharpening jigs and fixtures
102,218Apr. 26, 1870H. BrownImprovement in oil-stone holderssharpening jigs and fixtures
407,651Jul. 23, 1889C. EverdingSharpening Devicesharpening jigs and fixtures
470,196Mar. 08, 1892C.J. Jacobson, J.H. SteinTool-holder for grinding toolswoodworking machine sharpening mechanisms
609,046Aug. 16, 1898R.E. PoindexterKnife or scissors sharpenersharpening jigs and fixtures
612,912Oct. 25, 1898R.E. PoindexterKnife-sharpenersharpening jigs and fixtures
620,050Feb. 21, 1899R.E. PoindexterKnife-sharpenersharpening jigs and fixtures
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