Title:
Overhead door construction
Document Type and Number:
United States Patent 2214653
Inventors:
Barlough, Stephan L.
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Publication Date:
09/10/1940
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Assignee:
Barlough, Stephan L.
Primary Class:
Other Classes:
160/191, 160/231.100, 312/297
International Classes:
E06B3/48; E06B3/32