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DURYEA O C CORP

DURYEA O C

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2314954A	Car construction	Expired / Lapsed	1941-09-22	1943-03-30	0	Details
US1961130A	Car construction	Expired / Lapsed	1929-10-12	1934-06-05	0	Details
US1938754A	Car construction	Expired / Lapsed	1931-07-08	1933-12-12	0	Details
US1737922A	Brake mechanism for railway cars	Expired / Lapsed	1925-05-05	1929-12-03	0	Details