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All Patents in class 355/75
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  2,236,303Mar. 25, 1941F.P. Wilcox, C.R. SkinnerPhotographic Printer for Restitutional, Enlarging and Other Purposes
  2,294,585Sep. 01, 1942J.P. ThomsonPhotographic Enlarger or Projection Printer
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