Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320659 | Ultrasonic system for measuring fluid impedance or liquid level | Lawrence C. Lynnworth, John L. Seger | 1982-03-23 |
| 4308754 | Ultrasonic flowmeter | Norman E. Pedersen, James E. Matson, Lawrence C. Lynnworth | 1982-01-05 |