Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615657 | Built-in test procedure for non-intrusive ultrasonic level sensing | Eric D. Haugen, Charles G. Huss, Greg Seidel | 2003-09-09 |
| 6568270 | Ultrasonic sensor self test for integrity/performance verification | — | 2003-05-27 |
| 6536276 | Apparatus and method to non-intrusively measure the level of liquid in a sealed container | Charles G. Huss, Mark R. Koosmann, Eric D. Haugen, Greg Seidel, Stephen Meyer +1 more | 2003-03-25 |