Title:
Device for operating closures for windows and the like
Document Type and Number:
United States Patent 1791151


Inventors:
Tarvid, Alexander A.
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Sponsored by:
Flash of Genius
Publication Date:
02/03/1931
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Assignee:
Tarvid, Alexander A.
Primary Class:
160/5
Other Classes:
454/224, 160/104, 49/21
International Classes:
E05F15/20; G01N27/12