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Cleveland Twist Drill Co

Cleveland

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2792862A	Acoustical tile drill	Expired / Lapsed	1955-05-02	1957-05-21	0	Details
US1977845A	Cutting and forming tool, implement, and the like and metho…	Expired / Lapsed	1932-05-23	1934-10-23	0	Details
US1887374A	Drill	Expired / Lapsed	1929-04-10	1932-11-08	0	Details
US1847302A	Drill and like implement and method of making same	Expired / Lapsed	1929-02-20	1932-03-01	0	Details