Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3699949A | Pulse jitter measurement especially for heart beat measurement | HUMAN FACTORS RESEARCH Inc | Expired / Lapsed | 1971-07-26 | 1972-10-24 | 1991-07-26 | 0.0 yrs | 9 | |
| US3648688A | Pulse jitter measurement | HUMAN FACTORS RESEARCH Inc | Expired / Lapsed | 1970-07-20 | 1972-03-14 | 1990-07-20 | 0.0 yrs | 5 |