Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2536025A | Piezoelectric interferometer system | CRYSTAL RES LAB Inc | Expired / Lapsed | 1945-04-14 | 1951-01-02 | 1965-04-14 | 0.0 yrs | 0 | |
| US2456811A | Piezoelectric temperature measuring and control system | CRYSTAL RES LAB Inc | Expired / Lapsed | 1945-10-23 | 1948-12-21 | 1965-10-23 | 0.0 yrs | 0 |