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Digitronics Corp

Digitronic
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Patent No. Title Status Filing Date Grant Date Claims Actions
US3613101A Magnetic recording utilizing a selective magnetic shielding… Expired / Lapsed 1970-01-21 1971-10-12 15 Details
US3312945A Information transfer apparatus Expired / Lapsed 1963-10-14 1967-04-04 2 Details
US3284774A Information transfer system Expired / Lapsed 1962-03-19 1966-11-08 2 Details
US3252149A Data processing system Expired / Lapsed 1963-03-28 1966-05-17 2 Details
US3218609A Digital character magnitude comparator Expired / Lapsed 1960-03-23 1965-11-16 2 Details