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Patents for Hepburn McClure
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
163,025May 11, 1875S.G. MorrisonImprovement in emery-wheelsgrinding wheels
163,879Jun. 01, 1875S.G. MorrisonImprovement in saws for sawing stonestoneworking tools
163,880Jun. 01, 1875S.G. MorrisonImprovement in modes of applying emery to metal surfacesgrinding wheels
172,337Jan. 18, 1876S.G. MorrisonImprovement in emery grinding-wheelsgrinding wheels
183,064Oct. 10, 1876D.K. OverhiserImprovement in cutter-headscutterheads
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