Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561438 | Piezoelectric transducer with curved shafts | Ehrenfried Bitrolf | 1985-12-31 |
| 4486680 | Ultrasonic piezoelectric disintegrater | Ehrenfried Bitrolf | 1984-12-04 |
| 4452546 | Coupling member for coupling an optical system to an endoscope shaft | Siegfried Hiltebrandt | 1984-06-05 |
| 4430996 | Resectoscopes | — | 1984-02-14 |
| 4250873 | Endoscopes | — | 1981-02-17 |
| 4237871 | Devices for injecting pastes or fluids into the human body | — | 1980-12-09 |