Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880004 | Implantable cardiac stimulator with automatic gain control and bandpass filtering in feedback loop | Richard V. Calfee, Edward Haluska, Stephen J. Whistler | 1989-11-14 |
| 4858623 | Active fixation mechanism for lead assembly of an implantable cardiac stimulator | James I. Bradshaw | 1989-08-22 |
| 4856524 | A-V responsive rate adaptive pacemaker | — | 1989-08-15 |
| 4830006 | Implantable cardiac stimulator for detection and treatment of ventricular arrhythmias | Edward Haluska, Stephen J. Whistler, Richard V. Calfee | 1989-05-16 |
| 4827932 | Implantable defibrillation electrodes | Raymond E. Ideker, Michael J. Fine, Richard V. Calfee | 1989-05-09 |
| 4821723 | Biphasic waveforms for defibrillation | Stephen J. Whistler, Raymond E. Ideker, Richard V. Calfee, Edward Haluska | 1989-04-18 |
| 4803987 | Temperature responsive controller for cardiac pacer | Richard V. Calfee, Robert A. Adkins, Eckhard Alt | 1989-02-14 |