Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850068 | Formation resistivity measurement sensor contained onboard a drill bit (resistivity in bit) | Roland E. Chemali, Paul E. Pastusek, Friedhelm Makohl, Rene Ritter, Martin Evans | 2005-02-01 |