All Patents in class 355/126


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All Patents in class 355/126
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,224,839	Dec. 10, 1940	O. Steiner	Apparatus for Making Photographic Contact Prints	photographic printers
2,273,385	Feb. 17, 1942	O. Steiner	Masking Means	photographic printers