Patent US 4749907A

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Patent number US 4749907A (click link for details and documents via Google Patents)
Title Method and apparatus for automatically calibrating a graticuled cathode ray tube
Inventors John P. Boatwright, Alan M. Feuerbacher, Timothy M. Holte
Company Tektronix Inc
Filing date 1985-12-02
Grant date 1988-06-07