Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646441 | Well logging system for determining resistivity using multiple transmitter-receiver groups operating at three frequencies | MacMillian M. Wisler, Jian-Qun Wu | 2003-11-11 |
| 6577129 | Well logging system for determining directional resistivity using multiple transmitter-receiver groups focused with magnetic reluctance material | MacMillian M. Wisler, Jian-Qun Wu | 2003-06-10 |