Panel construction
United States Patent 2899028
US Patent References:
/1013591.html
- - 1013591

Metal structure
- - 1913342

Building construction
- - 2142110


Inventors:
Walker, Walter B.
Publication Date:
08/11/1959
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Assignee:
WALKER SUPPLY & MFG COMPANY
Primary Class:
52/579
Other Classes:
52/329, 52/324
International Classes:
E04B5/10
Foreign References:
FR1000898A