|
| US4016871 | 6 Mar 1975 | 12 Apr 1977 | | Electronic synchronizer-monitor system for controlling the timing of mechanical assistance and pacing of the heart |
| US4056105 | 19 Nov 1974 | 1 Nov 1977 | Westinghouse Electric Corporation | Pulse generator |
| US4088138 | 29 Dec 1975 | 9 May 1978 | Cardiac Resuscitator Corp. | Cardiac resuscitator and monitoring apparatus |
| US4094310 | 4 Oct 1976 | 13 Jun 1978 | American Optical Corporation | Apparatus for enhanced display of physiological waveforms and for defibrillation |
| US4153049 | 16 Nov 1977 | 8 May 1979 | Hewlett-Packard Company | Apparatus for maintaining signals within a given amplitude range |
| US4372324 | 17 Aug 1981 | 8 Feb 1983 | Hewlett-Packard Company | Analog peak voltage detector in a defibrillator |
| US4548209 | 6 Feb 1984 | 22 Oct 1985 | Medtronic, Inc. | Energy converter for implantable cardioverter |
| US4572191 | 23 Feb 1984 | 25 Feb 1986 | Mieczyslaw Mirowski | Command atrial cardioverter |
| US4610254 | 8 Mar 1984 | 9 Sep 1986 | Physio-Control Corporation | Interactive portable defibrillator |
| US4614192 | 23 Mar 1983 | 30 Sep 1986 | Mieczyslaw Mirowski | Implantable cardiac defibrillator employing bipolar sensing and telemetry means |
| US4823796 | 3 Apr 1987 | 25 Apr 1989 | Laerdal Manufacturing Corp. | Defibrillator circuit for producing a trapezoidal defibrillation pulse |
| US5222480 | 18 Oct 1990 | 29 Jun 1993 | Physio-Control Corporation | Defibrillator discharge calibration system |
| US5447522 | 20 Oct 1993 | 5 Sep 1995 | Intermedics, Inc. | Capacitor charging circuit for implantable defibrillator |
| US6021349 | 31 Jul 1998 | 1 Feb 2000 | Agilent Technologies | Defibrillator with automatic and manual modes |
| US7085601 | 17 Nov 1999 | 1 Aug 2006 | Koninklijke Philips Electronics N.V. | External atrial defibrillator and method for personal termination of atrial fibrillation |
| USRE30750 | 7 May 1980 | 29 Sep 1981 | Cardiac Resuscitator Corporation | Cardiac resuscitator and monitoring apparatus |