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United States Patent 2241884
Inventors:
Noble, William W.
Publication Date:
05/13/1941
View Patent Images:
Download PDF 2241884
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Assignee:
Noble, William W.
Primary Class:
312/323
Other Classes:
126/190, 220/812, 312/330.100
International Classes:
A47B63/02
;
A47B63/00