Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417791 | Delta filter with an adaptive time window for protective relays | Jeffrey B. Roberts | 2002-07-09 |
| 6356421 | System for power transformer differential protection | Armando Guzman-Casillas, Hector Altuve-Ferrer, Stanley E. Zocholl | 2002-03-12 |