Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34163 | Symmetrical fault current detector | David R. Aubrey | 1993-01-19 |
| 4797775 | Symmetrical fault current detector | David R. Aubrey | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34163 | Symmetrical fault current detector | David R. Aubrey | 1993-01-19 |
| 4797775 | Symmetrical fault current detector | David R. Aubrey | 1989-01-10 |