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United States Patent 1864500
Inventors:
Elizabeth, Livingston
Louis, Livingston
Publication Date:
06/21/1932
View Patent Images:
Download PDF 1864500
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Assignee:
Elizabeth, Livingston
Louis, Livingston
Primary Class:
273/317.200
Other Classes:
273/353
International Classes:
A63F7/06
;
A63F7/00