Wind-responsive louver construction
United States Patent 2894445
US Patent References:
/0961016.html
- - 0961016
/1014679.html
- - 1014679
/1018585.html
- - 1018585
Automatically opening and closing window
- - 1949793
Louver ventilator
- - 2340570
/0961016.html
- - 0961016
/1014679.html
- - 1014679
/1018585.html
- - 1018585
Automatically opening and closing window
- - 1949793
Louver ventilator
- - 2340570
Inventors:
Schulze, Harvey F.
Publication Date:
07/14/1959
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Export Citation:
Assignee:
Schulze, Harvey F.
Primary Class:
Other Classes:
74/480B
International Classes:
F24F13/15
Foreign References:
| GB188602758A |