Title:
Roller screen
Document Type and Number:
United States Patent 1934103
Inventors:
Clifford, Traut
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Publication Date:
11/07/1933
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Referenced by:
Export Citation:
Assignee:
HIGGIN MFG COMPANY
Primary Class:
Other Classes:
160/315, 160/23.100, 160/290.100, 160/273.100
International Classes:
E06B9/17