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Patents for Frank A. Heilman
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,962,715Jun. 12, 1934F.A. HeilmanVibrating riveter control
  1,966,295Jul. 10, 1934F.A. HeilmanRotary vibrating riveter
  2,126,427Aug. 09, 1938H.L. Turnquist, F.A. HeilmanRoll holder for rivet spinning machines
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