Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8717850 | Piezotube borehole seismic source | Tom M. Daley, Ernest L. Majer | 2014-05-06 |
| 6636046 | Electrical resistivity probes | Ki Ha Lee, Alex Becker, Boris Faybishenko | 2003-10-21 |