Printing transparent material
United States Patent 2236754

Inventors:
Irving, Gurwick
Publication Date:
04/01/1941
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Assignee:
SHELLMAR PRODUCTS COMPANY
Primary Class:
101/416.100
Other Classes:
101/488, 101/491, 34/266
International Classes:
B41M1/30; D06Q1/02; B41M1/26; D06Q1/00