Title:
Screen frame
United States Patent 1797511
Inventors:
Mensik, Albert S.
Application Number:
US36847129A
Publication Date:
03/24/1931
Filing Date:
06/05/1929
Assignee:
Mensik, Albert S.
Primary Class:
Other Classes:
49/394, 160/397, 292/189
International Classes:
E06B9/52
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