Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265881 | Method and apparatus for measuring ground impedance | George J. Cokkinides | 2001-07-24 |
| 4387336 | Method and apparatus for cable conductor shield fault detection | Edward Joy, Roger Webb | 1983-06-07 |