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Patents for Herbert E. Kempton
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,486,968Mar. 18, 1924H.E. KemptonPrecision Device for Boring Machines and the Like
  1,534,302Apr. 21, 1925K.F. Gallimore, H.E. Kempton, P. ConradsonGrinding Machine
  1,631,596Jun. 07, 1927H.E. KemptonWheel Dressing Mechanism
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