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Automatic Electric Co

Automatic

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US1540786A	Telephone system	Expired / Lapsed	1923-01-11	1925-06-09	0	Details
US1414686A	Call indicator for automatic telephone systems	Expired / Lapsed	1916-07-10	1922-05-02	0	Details
US1227523A	Phonographic time-announcer.	Expired / Lapsed	1913-07-07	1917-05-22	0	Details
US1196876A	Automatic telephone and supervisory system.	Expired / Lapsed	1907-11-30	1916-09-05	0	Details