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Patents Granted on 1873-05-13
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
RE5,401May 13, 1873J.S. ElliottImprovement in machines for forming building-blocks
RE5,408May 13, 1873H.K. JonesImprovement in Machines for Graduating Carpenters' Squarestool making machines
138,742May 13, 1873J. EisenmannMachines for Boring Hubswheelwright
138,762May 13, 1873J.J. RalyaImprovement in stave-jointersbarrel making machines
138,789May 13, 1873D.M. ChurchImprovement in machines for pointing the journals of bobbinsstick pointing machines
138,790May 13, 1873G.B. CowlesImprovement in Plumb Bobsplumb bobs
138,808May 13, 1873H. LawrenceImprovement in scroll-sawing machinesscrollsaws
138,815May 13, 1873I.L. PenneyImprovement in lock-cutting machineshoop making machines
138,828May 13, 1873G. Westinghouse, Jr.Improvement in rotary valves for steam-enginessteam engines
138,855May 13, 1873S.C. CarterElectro-Magnetic Motorselectric motors
138,871May 13, 1873R. EickemeyerImprovement in hat-pressesmilliner
138,877May 13, 1873S. French, R.D. ChaseImprovement in copy-holders
138,901May 13, 1873J.W. Leslie, G.R. SmithImprovement in veneer-cutting machinesveneer machines
138,932May 13, 1873H.F. ReadImprovement in Wrenchesquick adjust wrenches
138,973May 13, 1873H.B. WilliamsImprovement in stocks for drill or other bitsratchet wrenches
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