Frick Co Inc
Frick Co IActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3315492A | Continuous once through material treatment apparatus | Expired / Lapsed | 1966-02-21 | 1967-04-25 | 2 | Details |
| US2137996A | Air conditioning system | Expired / Lapsed | 1929-07-05 | 1938-11-22 | 0 | Details |
| US2116415A | Packless float switch | Expired / Lapsed | 1935-04-30 | 1938-05-03 | 0 | Details |
| US2112791A | Refrigerating system | Expired / Lapsed | 1936-03-28 | 1938-03-29 | 0 | Details |
| US2020436A | Shaft seal | Expired / Lapsed | 1935-06-13 | 1935-11-12 | 0 | Details |
| US1952780A | Heat exchanger protecting device | Expired / Lapsed | 1931-08-21 | 1934-03-27 | 0 | Details |
| US1867546A | Quick freeze tunnel | Expired / Lapsed | 1930-10-16 | 1932-07-19 | 0 | Details |