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Federal Telephone and Radio Corp

Federal Te

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2584986A	Selective wave filter	Expired / Lapsed	1946-04-24	1952-02-12	0	Details
US2416306A	Demodulator	Expired / Lapsed	1942-09-28	1947-02-25	0	Details
US2410104A	Light directing device	Expired / Lapsed	1942-08-27	1946-10-29	0	Details
US2408041A	Instantaneous visual direction finder	Expired / Lapsed	1941-05-22	1946-09-24	0	Details
US2334724A	Rotary positioning control apparatus	Expired / Lapsed	1942-12-29	1943-11-23	0	Details