Title:
Propeller fans and the like
United States Patent 3169694
US Patent References:
Rotary pump and fan
- - 1887417

Method and apparatus for propelling fluids
- - 1892303

Ventilator
- - 2027647

Axial flow fan or pump
- - 2084111

Reversible fan and delivery tube
- - 2611533


Inventors:
George, Borchers Ariel
Publication Date:
02/16/1965
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Assignee:
George, Borchers Ariel
Primary Class:
415/222
Other Classes:
416/238, 415/221, 416/223R
International Classes:
F04D29/38