Title:
Automatic venetian blinds
United States Patent 3249148
US Patent References:
/0784897.html
- - 0784897

Automatic shade
- - 2149481

Metallic blind
- - 2237800

Venetian blind
- - 2409821

Thermoelectric door operating mechanism
- - 2665129


Inventors:
Zablodil, Ronald J.
Stephenson, John M.
King, John C.
Morales, Ernest C.
Publication Date:
05/03/1966
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Assignee:
Zablodil, Ronald J.
Stephenson, John M.
King, John C.
Morales, Ernest C.
Primary Class:
160/3
Other Classes:
160/172R, 160/DIG.017, 160/5, 160/168.10P, 160/176.10P
International Classes:
E06B9/32; E06B9/28
US Patent References:
2917795Solar operated louver apparatus
2980970Remote control for vane positioner