Title:
Multiple purpose ventilator and air circulator
United States Patent 2862657
Inventors:
Copeland, William M.
Wakeman, Alfred W.
Publication Date:
12/02/1958
Export Citation:
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Assignee:
GEN ELECTRIC
Primary Class:
416/247R
Other Classes:
248/27.3, 454/200
International Classes:
F04D29/70; F04D29/00
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US Patent References:
2804817Detachable supporting provisions for window fans
2733002N/A
2644390Reversible-flow window fan
2620127Air translating apparatus
2325754Portable electric fan
2215035Fan supporting means
1935179Ventilating appliance
Foreign References:
DE625522C