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Identification holder
United States Patent 1427891
Inventors:
Ziegler, Charles E.
Publication Date:
09/05/1922
View Patent Images:
Download PDF 1427891
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Assignee:
Ziegler, Charles E.
Primary Class:
40/633
Other Classes:
D11/3, 24/546, 224/219
International Classes:
G09F3/00