Wirtzfeld; Alexander
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wirtzfeld; Alexander.The latest application filed is for "frequency-controlled heart pacemaker".
- Wirtzfeld; Alexander - Ingolstadt/Friedrichshofen DE
- Wirtzfeld; Alexander - 8191 Thanning DE
- Wirtzfeld; Alexander - Thanning DE
| Patent | Date |
|---|---|
| Frequency-controlled heart pacemaker Grant 4,763,655 - Wirtzfeld , et al. August 16, 1 | 1988-08-16 |
| Process and device for regulating the stimulation frequency of heart pacemakers Grant 4,399,820 - Wirtzfeld , et al. August 23, 1 | 1983-08-23 |
| Cardiac pacemaker Grant 4,202,339 - Wirtzfeld , et al. May 13, 1 | 1980-05-13 |
| Apparatus for heart stimulation Grant 3,970,076 - Hepp , et al. July 20, 1 | 1976-07-20 |
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