← Back to Companies

Tung Sol Electric Inc

Tung Sol E

Active Patents

0

Total Holdings

4

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3200304A	Touch control circuit	Expired / Lapsed	1962-04-25	1965-08-10	2	Details
US3171066A	Touch control circuits	Expired / Lapsed	1960-07-05	1965-02-23	2	Details
US3128421A	Series rectifier circuit with capacity compensating means	Expired / Lapsed	1961-05-19	1964-04-07	1	Details
US2975344A	Semiconductor field effect device	Expired / Lapsed	1959-05-28	1961-03-14	0	Details