Title:
Ventilating devices for hollow building walls
United States Patent 3001332
Inventors:
Wilder, Shepard J.
Publication Date:
09/26/1961
Export Citation:
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Assignee:
Wilder, Shepard J.
Primary Class:
52/302.1
Other Classes:
52/531, 52/534, 52/DIG.1, 227/68, 454/185
International Classes:
E04B1/70; E04B1/70
View Patent Images:
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US Patent References:
2840867Hollow building wall ventilating device
2804006Ventilator
0192688N/A