Window frame construction
United States Patent 2292806

Inventors:
Toothacre, Floyd E.
Publication Date:
08/11/1942
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Assignee:
Toothacre, Floyd E.
Primary Class:
52/204.500
Other Classes:
52/243, 52/291
International Classes:
E06B1/06; E06B3/964; E06B1/04; E06B3/96