Method of forming frames for metallic screens
United States Patent 1772780

Inventors:
Milone, Louis J.
Publication Date:
08/12/1930
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Assignee:
ORANGE SCREEN COMPANY
Primary Class:
160/395
Other Classes:
160/371, 29/897.312, 108/24, 29/DIG.047, 29/452
International Classes:
E06B9/52