Patent Explorer
Browse, filter, and analyze 6 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2860251A | Apparatus for manufacturing semi-conductor devices | Rauland Borg Corp | Expired / Lapsed | 1956-12-11 | 1958-11-11 | 1976-12-11 | 0.0 yrs | 0 | |
| US2537173A | Television intercommunication system | Rauland Borg Corp | Expired / Lapsed | 1948-02-19 | 1951-01-09 | 1968-02-19 | 0.0 yrs | 0 | |
| US2534610A | Apparatus for televising data on a plan position indicator tube | Rauland Borg Corp | Expired / Lapsed | 1948-08-11 | 1950-12-19 | 1968-08-11 | 0.0 yrs | 0 | |
| US2517805A | Phase difference indicator | Rauland Borg Corp | Expired / Lapsed | 1946-11-02 | 1950-08-08 | 1966-11-02 | 0.0 yrs | 0 | |
| US2431113A | Ion filter | Rauland Borg Corp | Expired / Lapsed | 1946-07-23 | 1947-11-18 | 1966-07-23 | 0.0 yrs | 0 | |
| US2415311A | Cathode-ray tube projector | Rauland Borg Corp | Expired / Lapsed | 1944-12-23 | 1947-02-04 | 1964-12-23 | 0.0 yrs | 0 |