Title:
Exhaust hood
United States Patent 2516839
US Patent References:
/0108822.html
- - 0108822

/0776156.html
- - 0776156

/0789741.html
- - 0789741

Exhaust hood
- - 2345958


Inventors:
Allen Jr., Raymond P.
Johnston, Fred D.
Sohn, William H.
Publication Date:
08/01/1950
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Assignee:
WESTERN ELECTRIC CO
Primary Class:
409/137
Other Classes:
451/451, 29/DIG.086, 29/DIG.059
International Classes:
B23Q11/00
Foreign References:
IT344239B
GB568218A