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EMC Corp

EMC Corp
Active Patents
0
Total Holdings
10

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4493033A Dual port cache with interleaved read accesses during alter… Expired / Lapsed 1982-12-06 1985-01-08 8 Details
US4434459A Data processing system having instruction responsive appara… Expired / Lapsed 1980-04-25 1984-02-28 13 Details
US4356545A Apparatus for monitoring and/or controlling the operations … Expired / Lapsed 1979-08-02 1982-10-26 15 Details
US4296466A Data processing system including a separate input/output pr… Expired / Lapsed 1978-01-23 1981-10-20 15 Details
US4117470A Data bit compression system Expired / Lapsed 1976-10-08 1978-09-26 8 Details
US4005405A Error detection and correction in data processing systems Expired / Lapsed 1975-05-07 1977-01-25 10 Details
US3931613A Data processing system Expired / Lapsed 1974-09-25 1976-01-06 14 Details
US3772666A Interlaced magnetic heads Expired / Lapsed 1972-04-03 1973-11-13 24 Details
US3737728A Mounting structure for heat-generating devices Expired / Lapsed 1971-12-17 1973-06-05 6 Details
US3737866A Data storage and retrieval system Expired / Lapsed 1971-07-27 1973-06-05 10 Details