Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9477004 | Dual coil for electromagnetic sounding of layered earth | — | 2016-10-25 |
| 8294459 | Multiple receiver coil dual mode electromagnetic detector | — | 2012-10-23 |
| 8129987 | Multiple receiver coil dual mode electromagnetic detector | — | 2012-03-06 |
| 7919964 | Combined electromagnetic sensor and magnetometer | — | 2011-04-05 |
| 7759941 | Ground conductivity meter with automatic calibration | — | 2010-07-20 |
| 6710599 | Apparatus for measuring terrain conductivity | — | 2004-03-23 |