Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671112 | Digital integrator V/Hz relay for generator and transformer over-excitation protection | Yi Hu, David G. Hart, Robert A. Smith | 1997-09-23 |
| 5661664 | One-terminal data fault location system and process for locating a fault | Arun G. Phadke | 1997-08-26 |