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Patents Granted on 1863-01-20
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
CS-142Jan. 20, 1863G.S. NewmanPloughplows
37,433Jan. 20, 1863C.W. CoeImprovement in drilling and screw-cutting machinesdrill presses
37,445Jan. 20, 1863W.C. HicksImprovement in drop-pressesstamping presses
37,459Jan. 20, 1863N. PorterImprovement in Wrenchesquick adjust wrenches
37,466Jan. 20, 1863R. StilemanImprovement in hydrantshydrants
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