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Hart Manufacturing Co

Hart Manuf

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2713668A	Quick detachable electrical connector	Expired / Lapsed	1951-06-21	1955-07-19	0	Details
US2626335A	Electric switch	Expired / Lapsed	1950-10-18	1953-01-20	0	Details
US1673404A	Controlling means for burners	Expired / Lapsed	1925-05-13	1928-06-12	0	Details
US963301A	Circuit-controller.	Expired / Lapsed	1909-05-08	1910-07-05	0	Details