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United States Patent 1406893
Inventors:
Ernest, Randall Edward
Publication Date:
02/14/1922
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Download PDF 1406893
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Assignee:
Ernest, Randall Edward
Primary Class:
248/146
Other Classes:
248/185.100, 47/39
International Classes:
A47F5/04
;
A47G7/04
;
A47G7/00