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Lignes Telegraphiques et Telephoniques LTT SA

Lignes Tel

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
GB1533426A	Inhibiting circuit for an obstacle detector	Expired / Lapsed	1976-01-21	—	0	Details
US3601543A	Time division data transmission system	Expired / Lapsed	1970-03-17	1971-08-24	11	Details
US3569955A	Method and devices for converting coded binary signals into…	Expired / Lapsed	1968-10-11	1971-03-09	8	Details
US3430206A	Control systems for constant proportion mixtures	Expired / Lapsed	1966-04-26	1969-02-25	0	Details
US3275955A	Dielectric-metal waveguide	Expired / Lapsed	1964-07-15	1966-09-27	4	Details