Title:
Magnetic switching devices
United States Patent 2740110


Inventors:
Trimble, Cebern B.
Application Number:
US35553853A
Publication Date:
03/27/1956
Filing Date:
05/18/1953
Assignee:
NCR CO
Primary Class:
Other Classes:
307/415, 310/156.64, 310/168, 336/110, 336/132, 712/E9.081
International Classes:
G06F9/32; H03K17/81; H03K17/95; H03K17/97
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