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Hart & Hutchinson Co

Hart & Hut

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US1959326A	Panel lock joint	Expired / Lapsed	1932-07-18	1934-05-15	0	Details
US1857770A	Humidifier	Expired / Lapsed	1929-12-05	1932-05-10	0	Details
US1837905A	Radiator	Expired / Lapsed	1928-01-03	1931-12-22	0	Details
US1719569A	Humidifier	Expired / Lapsed	1927-04-20	1929-07-02	0	Details