Title:
Window sash counterbalance
Document Type and Number:
United States Patent 2262990
Inventors:
Publication Date:
11/18/1941
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Referenced by:
Export Citation:
Assignee:
Cross, George C.
Dinsmore, Dawson J.
Dinsmore, Dawson J.
Primary Class:
Other Classes:
49/445
International Classes:
E05D13/00