. . "Tektronix" . . . . . . "Tektronix" . "TEKDOS" . "Tektronix, Inc" . . . . . . . . . . "Tektronix, Inc." . . . "1039.0" . . . . . . . "1.187E8" . . . . . . . "4359" . . . . "'Tron's" . . . . . . . . . . . . "M.J. Murdock Charitable Trust" . . . "Tektronix Communications" . . . . . "tek.com" . . . . "9.24E7" . "Tektronix#1970\u20131985" . "1946" .