Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903160 | Sudden, pressure relay supervisory apparatus | Walter A. Elmore | 1990-02-20 |
| 4896241 | Directional comparison blocking protective relay system | Deborah K. Mort | 1990-01-23 |
| 4835651 | Loss-of-potential supervision for a distance relay | James P. Garrity | 1989-05-30 |
| 4704653 | Transformer differential relay with speed-up apparatus | — | 1987-11-03 |
| 4674002 | Directional comparison blocking system | John D. McFall | 1987-06-16 |
| 4536815 | Protective relay apparatus and method for providing single-pole tripping | Leonid Husak | 1985-08-20 |