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Patents for Sheldon F. Manning
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  2,397,814Apr. 02, 1946H.J. Caldwell, S.F. Manning, E.Y. SeborgHoning machine
  2,587,352Feb. 26, 1952S.F. ManningThread-cutting machine having rapid traverse plus positive controlled feed
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