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Telent Technologies Services Ltd

Telent Tec

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3993978A	Solid state crosspoint circuit arrangement for use in a tel…	Expired / Lapsed	1974-09-26	1976-11-23	13	Details
US3883855A	Control system for a digital switching network	Expired / Lapsed	1974-04-05	1975-05-13	14	Details
US3715503A	Automatic transfer arrangement for telephone system	Expired / Lapsed	1971-02-16	1973-02-06	6	Details
US3662349A	Stored program system	Expired / Lapsed	1969-11-26	1972-05-09	84	Details
US3653018A	Monitor circuit	Expired / Lapsed	1970-06-08	1972-03-28	11	Details