Patent US 4157537A

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Patent number US 4157537A (click link for details and documents via Google Patents)
Title Display system utilizing digital-analog vector generation
Inventors Thomas B. Cheek, Douglas J. Doornink, Roger M. Handy, David E. Heinen, Joseph H. Hubert, Ronald J. Wilson
Company Tektronix Inc
Filing date 1976-04-19
Grant date 1979-06-05