Building construction
United States Patent 2228363
Inventors:
Pinney, Robert L.
Publication Date:
01/14/1941
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Export Citation:
Assignee:
LIBBEY OWENS FORD GLASS CO
Primary Class:
Other Classes:
52/308, 52/586.200, 52/562, 52/281
International Classes:
E04B2/42; E04C2/54; E04B2/02