Production of varicolored effects
United States Patent 1774694

Inventors:
Bateman, Ralph E.
Publication Date:
09/02/1930
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Assignee:
Bateman, Ralph E.
Primary Class:
239/414
Other Classes:
239/544, 239/422, 239/305, 239/526, 239/428
International Classes:
B05B7/08; B05B7/24; B05B7/02