Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10830915 | Method of determining subsurface properties using multifrequency electromagnetic depth sounding | Franz Van de Kop, Andrew R. Van de Kop, Juergen J. Zach, Alex C. Dumestre, III, David Ridyard +1 more | 2020-11-10 |
| 6188221 | Method and apparatus for transmitting electromagnetic waves and analyzing returns to locate underground fluid deposits | Franz Van de Kop, Andrew R. Van de Kop | 2001-02-13 |