Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34163 | Symmetrical fault current detector | Ian Jameson | 1993-01-19 |
| 4797775 | Symmetrical fault current detector | Ian Jameson | 1989-01-10 |
| 4553188 | Sectionalizer | Stephen J. Kearley | 1985-11-12 |