Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742513 | Methods and systems for automatic testing of a relay | Redjem Bouhenguel | 1998-04-21 |
| 5027297 | System for time stamping events using a remote master clock | Thomas M. Yocom | 1991-06-25 |
| 4972290 | Electric power system with remote monitoring and control of protective relays | Shan C. Sun, John S. Wargo | 1990-11-20 |
| 4725914 | Protective relay system for performing selective-pole trip determination | — | 1988-02-16 |
| 4538196 | Protective relay apparatus and method for providing single-pole tripping | Shan C. Sun | 1985-08-27 |