← Back to Companies

Barnes Drill Co

Barnes Dri

Active Patents

0

Total Holdings

4

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3404490A	Honing machine with automatic force control	Expired / Lapsed	1965-09-17	1968-10-08	0	Details
US3002404A	Control system for machine tools	Expired / Lapsed	1958-05-13	1961-10-03	0	Details
US2819566A	Hone expansion control mechanism	Expired / Lapsed	1956-01-03	1958-01-14	0	Details
US2781616A	Honing machine	Expired / Lapsed	1955-03-18	1957-02-19	0	Details