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Patents for Amos W. Hart
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
204,809Jun. 11, 1878D. GatesImprovement in drag-sawing machinesdrag saws
205,867Jul. 09, 1878J.F. Swinnerton, J.C. Titus, E. HuberPortable Engineportable steam engines
514,308Feb. 06, 1894R.L. DavisCombination Toolcombination tools
597,611Jan. 18, 1898F.M. Humphrey, J.S. HayeWrenchpipe and nut combination wrenches
603,972May 10, 1898J. SchaubPhotographic Plate Holderfilm and plate holders
624,875May 09, 1899W.D. Arnott, B.E. Sawyerreplaceable screwdriver bladescrewdriver blades
624,876May 09, 1899B.E. SawyerSurface Gagesurface gauges
661,902Nov. 13, 1900G. BartlettSaw Filing Machinesaw sharpening tools
729,374May 26, 1903J.T. MarshSawing-machinetablesaws
CA-83,712Nov. 03, 1903J.T. MarshSawing-machinetablesaws
894,641Jul. 28, 1908A.J. HigbeeRatchet Wrenchratchet wrenches
1,053,931Feb. 18, 1913G.F. Lebus, W.R. OsborneWell Drill Wrenchpipe tongs
1,157,495Oct. 19, 1915W.L. BessoloNut Wrenchnut wrenches
1,158,164Oct. 26, 1915W.L. BessoloWrenchquick adjust wrenches
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