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All Patents in class 83/245
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  1,141,644Jun. 01, 1915C.D. McDonaldMetal-shearing machine
1,406,310Feb. 14, 1922H.C. WalshAutomatic feed mechanism for punch presses
  2,357,557Sep. 05, 1944C.F. ShermanProcess for producing links for machine gun belts and similar articles
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