Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329235 | Method for processing signals from an MWD electromagnetic resistivity logging tool | Donald J. Hilliker, David F. Norwood | 1994-07-12 |
| 5293128 | Method and apparatus for calibrating the output measurement of a logging tool as a function of earth formation parameters | — | 1994-03-08 |