Bullard Co
Bullard CoActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2904790A | Headgear with face shield | Expired / Lapsed | 1956-05-03 | 1959-09-22 | 0 | Details |
| US2575792A | Control mechanism | Expired / Lapsed | 1944-08-26 | 1951-11-20 | 0 | Details |
| US2453656A | Rack and pinion gear means | Expired / Lapsed | 1945-09-15 | 1948-11-09 | 0 | Details |
| US2427493A | Control mechanism | Expired / Lapsed | 1944-06-26 | 1947-09-16 | 0 | Details |
| US2384809A | Machine tool | Expired / Lapsed | 1942-05-21 | 1945-09-18 | 0 | Details |
| US2355625A | Machine tool | Expired / Lapsed | 1940-07-16 | 1944-08-15 | 0 | Details |
| US2352184A | Control mechanism | Expired / Lapsed | 1941-06-04 | 1944-06-27 | 0 | Details |
| US2352183A | Control mechanism | Expired / Lapsed | 1940-08-23 | 1944-06-27 | 0 | Details |
| US2295855A | Protective headgear | Expired / Lapsed | 1939-10-18 | 1942-09-15 | 0 | Details |
| US2195565A | Air purifier | Expired / Lapsed | 1937-09-17 | 1940-04-02 | 0 | Details |
| US2096851A | Air purifier | Expired / Lapsed | 1934-06-13 | 1937-10-26 | 0 | Details |
| US1970276A | Unit spindle bearing assembly | Expired / Lapsed | 1932-04-27 | 1934-08-14 | 0 | Details |
| US1954473A | Electrochemical process for removing scale and oxide from t… | Expired / Lapsed | 1932-07-28 | 1934-04-10 | 0 | Details |
| US1919624A | Chrome scale softening process | Expired / Lapsed | 1931-02-17 | 1933-07-25 | 0 | Details |