Title:
Window shade
United States Patent 1810899


Inventors:
Norman, Boehm Carl
Application Number:
US34958429A
Publication Date:
06/23/1931
Filing Date:
03/25/1929
Assignee:
Woodweb, Shade Manufacturers IN.
Primary Class:
Other Classes:
139/420R, 160/93, 160/133, 160/201, 160/231.1, 160/267.1, 160/902
International Classes:
E04F10/08
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