Title:
Resistance device
United States Patent 1877482


Inventors:
Samuel, Ruben
Application Number:
US30660828A
Publication Date:
09/13/1932
Filing Date:
09/17/1928
Assignee:
RUBEN PATENTS COMPANY
Primary Class:
Other Classes:
257/43, 257/417, 338/324, 428/64.1, 428/469
International Classes:
H01C10/10
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