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Title:
Locking ring display device
United States Patent 2321339
Inventors:
Wadsworth, George F.
Publication Date:
06/08/1943
Export Citation:
Click for automatic bibliography generation
Assignee:
NAT RING CORP
Primary Class:
206/560
Other Classes:
206/562, 206/566, 211/4
International Classes:
A47F7/02
;
A47F7/02
View Patent Images:
Download PDF 2321339
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