Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812995 | Adaptive Kalman Filtering in fault classification | Robert G. Brown | 1989-03-14 |
| 4661769 | Measurement of magnitude and phase angle of voltage and current phasors and frequency deviation in power systems | — | 1987-04-28 |
| 4455612 | Recursive estimation in digital distance relaying system | Robert G. Brown | 1984-06-19 |
| 4319329 | Frequency measuring and monitoring apparatus, methods and systems | Fredric M. Ham | 1982-03-09 |