Adjustable louvered ventilator
United States Patent 3008520
US Patent References:
Adjustable ventilator
- - 2458134
Adjustable louver ventilator
- - 2589529
Adjustable louver type ventilator
- - 2694446
Adjustable building ventilator
- - 2722981
Adjustable ventilator
- - 2458134
Adjustable louver ventilator
- - 2589529
Adjustable louver type ventilator
- - 2694446
Adjustable building ventilator
- - 2722981
Inventors:
Belden, Merland C.
Belden, Delbert R.
Bartole, Joseph A.
Belden, Delbert R.
Bartole, Joseph A.
Publication Date:
11/14/1961
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Export Citation:
Assignee:
Belden, Merland C.
Belden, Delbert R.
Bartole, Joseph A.
Belden, Delbert R.
Bartole, Joseph A.
Primary Class:
Other Classes:
454/278
International Classes:
F24F13/08