Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4671292A | Concentric biopsy probe | Dymax Corp | Expired / Lapsed | 1985-04-30 | 1987-06-09 | 2005-04-30 | 0.0 yrs | 12 | |
| US4479388A | Ultrasound transducer and drive system | Dymax Corp | Expired / Lapsed | 1982-09-20 | 1984-10-30 | 2002-09-20 | 0.0 yrs | 25 | |
| US4399703A | Ultrasonic transducer and integral drive circuit therefor | Dymax Corp | Expired / Lapsed | 1980-10-16 | 1983-08-23 | 2000-10-16 | 0.0 yrs | 28 |