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Control Data Corporation

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Records under this name other than patents Control Data Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 3,934,132Shift network for dual width operands
Term ended
Term ended no later than Jan 20, 1996 · Low confidence
Term endedTerm ended no later than Jan 20, 1996Low confidence
US 3,938,100Virtual addressing apparatus for addressing the memory of a computer utilizing associative addressing techniques
Term ended
Term ended no later than Feb 10, 1996 · Low confidence
Term endedTerm ended no later than Feb 10, 1996Low confidence
US 3,944,942Automatic gain control circuit and method
Term ended
Term ended no later than Mar 16, 1996 · Low confidence
Term endedTerm ended no later than Mar 16, 1996Low confidence
US 3,947,130Metrological TV microscope
Term ended
Term ended no later than Mar 30, 1996 · Low confidence
Term endedTerm ended no later than Mar 30, 1996Low confidence
US 3,947,722Electronic scan methods for plasma displays
Term ended
Term ended no later than Mar 30, 1996 · Low confidence
Term endedTerm ended no later than Mar 30, 1996Low confidence
US 3,947,881Servo positioning error control for magnetic disk file
Term ended
Term ended no later than Mar 30, 1996 · Low confidence
Term endedTerm ended no later than Mar 30, 1996Low confidence
US 3,948,505Document turn-around sorter/stacker
Term ended
Term ended no later than Apr 6, 1996 · Low confidence
Term endedTerm ended no later than Apr 6, 1996Low confidence
US 3,951,395Resilient vise jaw
Term ended
Term ended no later than Apr 20, 1996 · Low confidence
Term endedTerm ended no later than Apr 20, 1996Low confidence
US 3,954,056Platen positioning means for imprinters
Term ended
Term ended no later than May 4, 1996 · Low confidence
Term endedTerm ended no later than May 4, 1996Low confidence
US 3,956,769Recording system having coinciding servo and data tracks
Term ended
Term ended no later than May 11, 1996 · Low confidence
Term endedTerm ended no later than May 11, 1996Low confidence
10 of 258 patents shown.
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Pro members: see all 258 patents
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