Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747701 | Ultrasonic vortex flowmeter having remote signal processing | David Marsh, Lars O. Rosaen | 1998-05-05 |
| 5728947 | Ultrasonic vortex flowmeter having clamp-on housing | David Marsh, Lars O. Rosaen | 1998-03-17 |