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Patents Granted on 1900-01-30
Patents 1 - 15 of 26
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NumberDatePatenteeTitleType
642,070Jan. 30, 1900E.H. BlossomPower-hammerdrop hammers
642,073Jan. 30, 1900R.S. BrownChain mortising machinemortising machines
642,074Jan. 30, 1900R.C. BolonWire Stretcherfence stretchers
642,129Jan. 30, 1900A.E. KarsnerWrenchaxle nut wrenches
642,138Jan. 30, 1900H.K. LeeMachine for boring metalhorizontal boring mills
642,143Jan. 30, 1900T. MalcolmsonExplosive Engineinternal combustion engines
642,146Jan. 30, 1900M.R. MooreValve Gearsteam engine valve gear
642,155Jan. 30, 1900E. Campbell, G. RedfordWrenchquick adjust wrenches
642,170Jan. 30, 1900L.S. StarrettSplit Nutcalipers
642,176Jan. 30, 1900E. ThomsonInternal Combustion Enginegas and gasoline engines
642,178Jan. 30, 1900J.R. Thomas, H.S. SpencerClamping devicework holding
642,212Jan. 30, 1900W.S. DoigBox-nailing machinenailing machines
642,271Jan. 30, 1900G. SouerBlacksmith's Forgeforges
642,289Jan. 30, 1900F.C. BillingsMetal Working Machinedrop hammers
642,309Jan. 30, 1900F.A. ErringtonAutomatically Opening or Closing Die for Cutting Screw Threads, &c.taps and dies
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