Cambridge Thermionic Corp
CambridgeActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3565495A | Magnetic suspension apparatus | Expired / Lapsed | 1969-08-05 | 1971-02-23 | 0 | Details |
| US3490816A | Regulated suspension system | Expired / Lapsed | 1967-12-18 | 1970-01-20 | 0 | Details |
| US2931008A | Electrically insulating devices | Expired / Lapsed | 1957-02-11 | 1960-03-29 | 0 | Details |
| US2574257A | Method for manufacturing piezoelectric crystals free of con… | Expired / Lapsed | 1947-01-11 | 1951-11-06 | 0 | Details |
| US2569987A | Pressure responsive transducer | Expired / Lapsed | 1948-10-01 | 1951-10-02 | 0 | Details |
| US2486146A | Pressure responsive transducer | Expired / Lapsed | 1948-10-01 | 1949-10-25 | 0 | Details |
| US2447061A | Piezoelectric system | Expired / Lapsed | 1945-07-18 | 1948-08-17 | 0 | Details |