Method of reproducing pictures and designs
United States Patent 1518863

Inventors:
Lutz, August H.
Richardson, George J.
Publication Date:
12/09/1924
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Assignee:
Lutz, August H.
Richardson, George J.
Primary Class:
101/115
Other Classes:
101/128.400, 101/129
International Classes:
B05C17/06; B05C17/00