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Title:
Window shade
Document Type and Number:
United States Patent 2056823
Inventors:
Robert, Brown
Plaque It!
Sponsored by:
Flash of Genius
Publication Date:
10/06/1936
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Assignee:
Robert, Brown
Primary Class:
160/133
Other Classes:
160/178.300, 160/62
International Classes:
E06B9/34
;
E06B9/28
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