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Patents Granted on 1873-05-20
Patents 1 - 15 of 18
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NumberDatePatenteeTitleType
RE5,417May 20, 1873G.C. TaftImprovement in Letter Copying Presses
139,006May 20, 1873S.W. HemenwayImprovement in Auger Handles
139,028May 20, 1873O.S. Smiley, C.O. SmallSpindle lathewood lathes
139,043May 20, 1873J. ChurchImprovement in machines for entering blind-slatsmortising machines
139,069May 20, 1873C. LawImprovement in Screw Driversscrewdriver blades
139,076May 20, 1873A.R. ParkSaddle-tree lathewood lathes
139,091May 20, 1873J. SwanImprovement in Machines for Forming the Lips of Augers
139,096May 20, 1873E. WareSteam Engine Governor-Valvessteam engine governors
139,121May 20, 1873J.W. DavisImprovement in fastening pocket-openings
139,124May 20, 1873W.H. DobsonImprovement in saw-setting machinessaw sharpening machines
139,142May 20, 1873O.H. Gronberg, W.M. FerryImprovement in edging-machinescircular ripsaws
139,148May 20, 1873J. HarveyImprovement in machines for bending pipe-stemswood bending machines
139,149May 20, 1873C.F. HenisImprovement in Saw Filing Machinessaw sharpening tools
139,162May 20, 1873S.M. KingImprovement in shingle-machinesshingle machines
139,169May 20, 1873A.E. LindsleyPosthole-Diggerspost hole diggers
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