Method of producing designs and article for use therein
United States Patent 1778397

Inventors:
Carl, Maier
William, Swaysland
Publication Date:
10/14/1930
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Assignee:
Carl, Maier
William, Swaysland
Primary Class:
427/145
Other Classes:
8/645, 396/661, 8/919, 430/951
International Classes:
B44C1/04; B44C1/00