Electric operator for vertical jalousies
United States Patent 2806689
US Patent References:
Automatic window sash operating mechanism
- - 2345594
/2502573.html
- - 2502573
Vertical shutter
- - 2607452
Automatic window sash operating mechanism
- - 2345594
/2502573.html
- - 2502573
Vertical shutter
- - 2607452
Inventors:
Lee, Miller
Publication Date:
09/17/1957
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Export Citation:
Assignee:
Lee, Miller
Primary Class:
Other Classes:
49/340, 74/422, 74/405, 192/143, 49/91.100
International Classes:
E05F15/16
Foreign References:
| GB552485A |