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Patents Granted on 1852-07-06
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
9,089Jul. 06, 1852N. AmesCenter Square for Finding the Center of a CIrclecenter squares
9,090Jul. 06, 1852E. Valentine, A. BradwayConstruction of Bridges
9,092Jul. 06, 1852J.S. BrownTurning Enginemetal lathes
9,094Jul. 06, 1852B. HollyHand-planebench planes
9,100Jul. 06, 1852W.F. Fergus, J.M. PattonCutter-head for planingcutterheads
9,103Jul. 06, 1852E. RogersMode of Grinding Puppet-Valves While the Engine is in Motionsteam engine valves
9,108Jul. 06, 1852W. WatsonPlaning-machinewood planers
9,109Jul. 06, 1852L.F. Thompson, A.G. BatchelderRailroad-car brakerailroad car brakes
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