Cleveland Graphite Bronze Co

Cleveland

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2219054A	Bearing	Expired / Lapsed	1938-11-22	1940-10-22	Details
US1880454A	Apparatus for making bearings	Expired / Lapsed	1929-02-25	1932-10-04	Details
US1555214A	Bearing	Expired / Lapsed	1924-02-09	1925-09-29	Details