ILLINOIS ENGINEERING Co
ILLINOIS EActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2239444A | Humidifying apparatus | Expired / Lapsed | 1939-09-08 | 1941-04-22 | 0 | Details |
| US2209566A | Regulating apparatus | Expired / Lapsed | 1936-10-31 | 1940-07-30 | 0 | Details |
| US2162779A | Pressure regulator | Expired / Lapsed | 1936-04-27 | 1939-06-20 | 0 | Details |
| US2134257A | Pressure regulator | Expired / Lapsed | 1936-02-15 | 1938-10-25 | 0 | Details |
| US2103113A | Regulating apparatus | Expired / Lapsed | 1935-06-21 | 1937-12-21 | 0 | Details |
| US1777817A | Vacuum pump | Expired / Lapsed | 1928-06-22 | 1930-10-07 | 0 | Details |