Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325261 | Pulsed DC constant current magnetic flowmeter | William R. Freund, Jr., Paul Kenneth Kuhn | 1982-04-20 |
| 4309909 | Crystal stabilized voltage to frequency converter with digital calibration for flowmeters | William R. Freund, Jr. | 1982-01-12 |