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Patents for George H. Hill
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
206,733Aug. 06, 1878H.H. HillWrench
313,735Mar. 10, 1885G.H. HillExpansible bit
  641,202Jan. 09, 1900C.W. GarlandMachine for cutting railway-ties
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