Framing channel structures
United States Patent 2809728
US Patent References:
Fire screen
- - 1596950

Ventilating window mechanism
- - 2053937

Storm window
- - 2629143

Window sash
- - 2703159


Inventors:
Olson, Harold G.
Publication Date:
10/15/1957
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Assignee:
BAILEY COMPANY INC
Primary Class:
52/204.597
Other Classes:
52/127.800, 206/453
International Classes:
E06B3/54