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Patents for Alfred P. Speckin
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,608,112Aug. 26, 1952A.P. SpeckinAdjustable multiple spindle head
  2,709,267May 31, 1955J.R. Bashor, A.P. SpeckinPrecision tapping spindle
  2,884,818May 05, 1959J.R. Bashor, A.P. SpeckinDrill head
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