Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3533401A | Apparatus for automatically measuring blood pressure | Fritz Hellige und Co GmbH | Expired / Lapsed | 1967-07-27 | 1970-10-13 | 1987-07-27 | 0.0 yrs | 0 | |
| US3513850A | Direct current defibrillator with voltage-controlling means | Fritz Hellige und Co GmbH | Expired / Lapsed | 1967-07-25 | 1970-05-26 | 1987-07-25 | 0.0 yrs | 0 | |
| US3490442A | Electrode with contact-forming suction cup means | Fritz Hellige und Co GmbH | Expired / Lapsed | 1967-02-02 | 1970-01-20 | 1987-02-02 | 0.0 yrs | 0 | |
| US3478364A | Recorder having distinguishable records | Fritz Hellige und Co GmbH | Expired / Lapsed | 1968-07-02 | 1969-11-11 | 1988-07-02 | 0.0 yrs | 0 | |
| US3374485A | Calibration apparatus for physiological and biological measuring and recording device | Fritz Hellige und Co GmbH | Expired / Lapsed | 1966-11-04 | 1968-03-19 | 1986-11-04 | 0.0 yrs | 2 |