Electrical calculating equipment
United States Patent 2340809

Inventors:
William, Hatton
Ladislas, Kozma
Publication Date:
02/01/1944
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Assignee:
INT STANDARD ELECTRIC CORP
Primary Class:
708/534
Other Classes:
714/E11.054, 340/146.200, 714/E11.007
International Classes:
G06F11/00; G06F11/16; H04M3/12; H04M3/32; H04M3/08; H04M3/28