Dual-purpose fan
United States Patent 2667301
US Patent References:
Air circulator
- - 2123448

Fan structure
- - 2224628

Circulating fan support
- - 2488306


Inventors:
Lautner, Max E.
Publication Date:
01/26/1954
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Assignee:
KNAPP MONARCH CO
Primary Class:
417/361
Other Classes:
415/126, D23/370
International Classes:
F04D29/64; F04D29/60