Title:
Overhead door construction
Document Type and Number:
United States Patent 2093020
Inventors:
Norberg, William A.
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Publication Date:
09/14/1937
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Export Citation:
Assignee:
ROWE MFG COMPANY
Primary Class:
Other Classes:
160/222, 49/197, 160/201
International Classes:
E05D13/00; E05D15/24; E05D15/16