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Factory Mutual Research Corp

Factory Mu
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3918935A Non-newtonian liquid and method for wet scrubbing stack gas… Expired / Lapsed 1973-08-13 1975-11-11 9 Details
US3871457A Fluid control device and a fire protection system incorpora… Expired / Lapsed 1974-03-04 1975-03-18 6 Details
US3858618A Piping for fire protection systems Expired / Lapsed 1973-01-10 1975-01-07 5 Details
US2768069A Combustible gas detector Expired / Lapsed 1952-06-05 1956-10-23 0 Details
US2583930A Gas analyzer and smoke detector Expired / Lapsed 1948-12-04 1952-01-29 1 Details