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Patents Granted on 1880-04-06
Patents 1 - 8 of 8
First set of recordsLast set of records
RE9,138Apr. 06, 1880O.R. ChaplinCombined Square and Bevelbevel squares
226,149Apr. 06, 1880J.H. AlexanderWrenchaxle nut wrenches
226,162Apr. 06, 1880S. DarlingCompensating Errors in Screw Dividing Engines
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 sawmillreciprocating sawmills
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