Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470019 | Rate multiplier square root extractor with increased accuracy for transmitter applications | Marion A. Keyes, IV | 1984-09-04 |
| 4463612 | Electronic circuit using digital techniques for vortex shedding flowmeter signal processing | — | 1984-08-07 |
| 4462261 | Mass and velocity flowmeter | Marion A. Keyes, IV | 1984-07-31 |
| 4432242 | Tunable notch filter for reducing vibration sensitivity for vortex shedding flowmeter generator | Michael S. Willey | 1984-02-21 |
| 4429582 | Vortex shedding flowmeter circuit with analog and pulse output signal | — | 1984-02-07 |
| 4250558 | Hybrid analog function generator | Marion A. Keyes, IV, Jack W. Malcolm, deceased | 1981-02-10 |
| 4241303 | Linearization circuit | — | 1980-12-23 |