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United Research Corp

United Res

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2140725A	Hermetic seal for light-sensitive material	Expired / Lapsed	1935-04-16	1938-12-20	0	Details
US2111012A	Camera support	Expired / Lapsed	1934-09-21	1938-03-15	0	Details
US2096082A	Noiseless recording	Expired / Lapsed	1934-10-30	1937-10-19	0	Details
US2041816A	Light sensitive cell	Expired / Lapsed	1934-10-09	1936-05-26	0	Details
US1931012A	Radio apparatus	Expired / Lapsed	1930-06-12	1933-10-17	0	Details