Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336719 | Ultrasonic flowmeters using waveguide antennas | — | 1982-06-29 |
| 4320659 | Ultrasonic system for measuring fluid impedance or liquid level | John L. Seger, James E. Bradshaw | 1982-03-23 |
| 4308754 | Ultrasonic flowmeter | Norman E. Pedersen, James E. Bradshaw, James E. Matson | 1982-01-05 |