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Patents Granted on 1880-04-??
Patents 1 - 15 of 51
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NumberDatePatenteeTitleType
226,149Apr. 06, 1880J.H. AlexanderWrenchaxle nut wrenches
226,162Apr. 06, 1880S. DarlingCompensating Errors in Screw Dividing Enginesindexers and dividers
226,190Apr. 06, 1880H.K. PorterBolt-cutterbolt cutters
226,246Apr. 06, 1880C.H. ReidLathe-chuckwood lathe chucks
226,273Apr. 06, 1880J.L. Perry, A. BridgmanWood-polishing machinesdrum sanders
226,291Apr. 06, 1880G.W. DudleySaw filing and setting machinesharpening machines
226,339Apr. 06, 1880J. MoffetMonkey-Wrenchscrew adjust wrenches
226,350Apr. 06, 1880D.C. PrescottReciprocating-saw millreciprocating sawmills
226,370Apr. 06, 1880A.L. SweetDrill Chuckmetal lathe chucks
RE9,146Apr. 13, 1880R. EickemeyerFulling-mill
226,381Apr. 13, 1880G.W. AmesburyCutter headcutterheads
226,402Apr. 13, 1880I.W. HeysingerDevice for Filing and Binding Papersstaplers
226,410Apr. 13, 1880F.I. MaulePipe-Vise for Bench-Visespipe and chain vises
226,429Apr. 13, 1880W.H. VarnumShoe Maker's Measuring Stickcobbler
226,431Apr. 13, 1880J.F. WarnerMechanic's Horseworkbenches
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