Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919724 | Method and apparatus for investigating the wall of a borehole | Philip Cheung, Andrew Hayman, Abdurrahman Sezginer | 2005-07-19 |
| 6891377 | Conductive pad around electrodes for investigating the wall of a borehole in a geological formation | Philip Cheung, Andrew Hayman | 2005-05-10 |