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All Patents in class 313/137
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  352,796Nov. 16, 1886C.W. BaldwinElectrical Igniter for Gas Engines
  RE10,878Nov. 01, 1887J.C. Beckfeld, A. SchmidGas Engine
  376,212Jan. 10, 1888H.K. ShanckGas Engine
  660,786Oct. 30, 1900E.T. BirdsallSparking-Plug for Explosive-Engines
  676,468Jun. 18, 1901N. McClintockIgnition Plug for Gas Engines
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