Title:
Ventilating device
United States Patent 2626742


Inventors:
Turner, Edgar P.
Application Number:
US17610150A
Publication Date:
01/27/1953
Filing Date:
07/27/1950
Assignee:
SINGER MFG CO
Primary Class:
Other Classes:
416/244R, 416/500, D23/380
International Classes:
F04D29/64
View Patent Images:
US Patent References:
2261391Air translating apparatus1941-11-04
2223672Air circulating fan1940-12-03
2108738Twin-fan structure1938-02-15
2102418Automotive air circulator1937-12-14
1300253N/A1919-04-15
1064140N/A1913-06-10
Foreign References:
GB568405A1945-04-03