Title:
Method and means of color printing
United States Patent 1928758


Inventors:
Mairson, Robert A.
Mairson, Irving W.
Application Number:
US53803231A
Publication Date:
10/03/1933
Filing Date:
05/18/1931
Assignee:
Mairson, Robert A.
Mairson, Irving W.
Primary Class:
International Classes:
B41M1/18
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