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Patents for Dallas R. Trinkle
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,559,097Jul. 03, 1951D.R. TrinkleReproducing Machine
  2,704,012Mar. 15, 1955D.R. TrinkleAutomatic Profiling Machine
  2,771,807Nov. 27, 1956D.R. TrinkleTool holder
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