Title:
Electrically adjustable venetian blind structure
Document Type and Number:
United States Patent 3384147

Inventors:
Smith, Richard D.
Publication Date:
05/21/1968
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Primary Class:
160/107
International Classes:
E06B9/264; E06B9/28; E06B9/302; E06B9/26
US Patent References:
2957520Venetian blind
2983316Venetian blind
3201661Rotary solenoid having a rectangular stator member
3206160Electromagnetic flow control system
3211264Electrically controlled frictionless slat-type screen


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