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BELI TELEPHONE LAB Inc

BELI TELEP

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2503540A	Adjustable loss parallel-t network	Expired / Lapsed	1945-05-29	1950-04-11	0	Details
US2056265A	Telephone system	Expired / Lapsed	1935-08-13	1936-10-06	0	Details
US2000189A	Regulated rectifier	Expired / Lapsed	1934-01-10	1935-05-07	0	Details
US1972286A	Transmission control in two-way signaling systems	Expired / Lapsed	1933-10-20	1934-09-04	0	Details