Venting systems
United States Patent 2711683
US Patent References:
/2274341.html
- - 2274341

Ventilation system for boats
- - 2356391

Ventilating chimney
- - 2619022


Inventors:
Ryder, Frank A.
Publication Date:
06/28/1955
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Assignee:
STEWART WARNER CORP
Primary Class:
454/8
Other Classes:
126/307R, 126/85B, 60/39.511, 454/38, 237/55
International Classes:
F23J13/02; F23L15/04; F23L17/02; F23L17/04; F23J13/00; F23L15/00; F23L17/00