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All Patents in class 340/675
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  1,963,096Jun. 19, 1934E.S. Hineline, W.H. PetitPhotographic Film Strip
  2,034,441Mar. 17, 1936E.S. Hineline, W.H. PetitArt or Method of Accurately Photographing Upon Film Strips Having Nonsensitized Ends
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