Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4280220A | Electronic testing system | National Semiconductor Corp | Expired / Lapsed | 1979-09-17 | 1981-07-21 | 1999-09-17 | 0.0 yrs | 11 | |
| US3909924A | Method of fabrication of silicon pressure transducer sensor units | National Semiconductor Corp | Expired / Lapsed | 1974-03-27 | 1975-10-07 | 1994-03-27 | 0.0 yrs | 5 | |
| US3836796A | Semiconductor pressure transducer employing novel temperature compensation means | National Semiconductor Corp | Expired / Lapsed | 1973-09-24 | 1974-09-17 | 1993-09-24 | 0.0 yrs | 4 |