Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877032 | Sensor arrangement for the control of implantable devices | Hans-Dieter Liess | 1989-10-31 |
| 4870967 | Measuring arrangement for controlling an implantable body-assist device | Hans-Dieter Liess | 1989-10-03 |
| 4870968 | System and method for controlling the stimulation frequency of heart pacemakers | Alexander Wiertzfeld | 1989-10-03 |
| 4830488 | Measuring instrument for intracardial acquisition of blood oxygen saturation | Hakan Elmqvist | 1989-05-16 |
| 4823797 | Apparatus and method for impedance measurement of body tissues | Karl Stangl | 1989-04-25 |
| 4807632 | Measuring instrument for intracardial acquisition of the blood oxygen saturation of a patient for controlling the pacing rate of a heart pacemaker | Hans-Dieter Liess | 1989-02-28 |
| 4805621 | Apparatus for measuring impedance of body tissue | Karl Stangl | 1989-02-21 |