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Godfrey L Cabot Inc

Godfrey L
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2719779A Process of making hard carbon black pellets Expired / Lapsed 1950-01-11 1955-10-04 2 Details
US2634084A Electric eye packing gate Expired / Lapsed 1949-02-02 1953-04-07 0 Details
US2420810A Process for the manufacture of high volatile carbon black Expired / Lapsed 1941-12-18 1947-05-20 0 Details
US2134950A Graphitized carbon black Expired / Lapsed 1934-08-20 1938-11-01 0 Details