Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280284 | Method of determining the electrical properties of the earth by processing electromagnetic signals propagated through the earth from a capacitor | — | 1994-01-18 |
| 5192952 | Method and apparatus for transmitting electromagnetic signals into the earth from a capacitor | — | 1993-03-09 |