Title:
Window opening and closing mechanism
United States Patent 1439373


Inventors:
Norwood, Harry E.
Maier, Frederick G.
Application Number:
US38927720A
Publication Date:
12/19/1922
Filing Date:
06/16/1920
Assignee:
Perfect, Window Regulator Compa
Primary Class:
Other Classes:
160/37, 160/224
International Classes:
E05F11/38; E05F17/00
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