Barnes Drill Co
Barnes DriActive Patents
0
Total Holdings
7
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 |
| US2470415A | Drive mechanism | Expired / Lapsed | 1947-03-18 | 1949-05-17 | 0 | Details |
| US2466839A | Magnetic separator | Expired / Lapsed | 1944-06-17 | 1949-04-12 | 0 | Details |
| US1948115A | Machine tool | Expired / Lapsed | 1931-11-23 | 1934-02-20 | 0 | Details |