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All Patents in class 305/44
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  219,938Sep. 23, 1879J.J. HolcombeEndless-Track Vehicles
  288,763Nov. 20, 1883J.E. BirchTraction Engine
  1,241,617Oct. 02, 1917J.W. Lambert, C.M. FullerTractor
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