Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202484 | Method and device for determining a liquid level with the aid of ultrasonic pulses | Michael Eisentraudt | 2001-03-20 |
| 4958518 | Sensor for determining liquid level in a container | Josef Duenstl, Ralph Schroeppel | 1990-09-25 |