United States Patent 3247488
Inventors:
Frazer, Welsh Herbert
Eckert Jr., John Presper
Schmitt, William F.
Harrison, Lawrence F.
Publication Date:
04/19/1966
Assignee:
SPERRY RAND CORP
Other Classes:
712/E09.062, 711/147, 712/E09.080
International Classes:
G06F9/32; G06F9/38; G06F13/12; G06F13/18; G06F15/16; G06F15/78; G06F13/16; G06F15/76