Title:
Noiseless switch
United States Patent 1720395


Inventors:
George, Ross F.
Application Number:
US11591326A
Publication Date:
07/09/1929
Filing Date:
06/14/1926
Assignee:
George, Ross F.
Primary Class:
Other Classes:
200/209, 200/288, 200/560, 200/561
International Classes:
H01H23/12
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