Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642722 | Method and arrangement for level measuring | Felix Raffalt | 2003-11-04 |
| 6628123 | Method for controlling a transducer device in level sensors and device for carrying out such a method | Felix Raffalt | 2003-09-30 |
| 6545556 | Oscillating element that can be piezoelectrically excited | Felix Raffalt, Ingo Harter | 2003-04-08 |