Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3980075A | Photoelectric physiological measuring apparatus | AUDRONICS Inc | Expired / Lapsed | 1974-09-27 | 1976-09-14 | 1994-09-27 | 0.0 yrs | 33 | |
| US3881481A | Left ventricular ejection meter | AUDRONICS Inc | Expired / Lapsed | 1973-02-08 | 1975-05-06 | 1993-02-08 | 0.0 yrs | 7 |