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Patents for Hart Weigher Co.
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  502,230Jul. 25, 1893G.W. KramerSteering Gear for Traction Engines
  503,146Aug. 15, 1893G.W. KramerSteering Gear for Traction Engines
  503,147Aug. 15, 1893G.W. KramerSteering Gear for Traction Engines
  505,523Sep. 26, 1893S.B. HartSteering Gear for Traction Engines
  520,688May 29, 1894G.W. KramerSteering Gear for Traction Engines
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