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Patents for William F. Drew
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  1,253,015Jan. 08, 1918D.L. DriscollCombination Overshot Rotary Milling Cutter
1,333,210Mar. 09, 1920E.N. MoorInterior Slotting Attachment for Lathes
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