Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676213 | Method and apparatus for removing mudcake from borehole walls | Kenneth K. Liang | 1997-10-14 |
| 5663559 | Microscopy imaging of earth formations | Robert Schroeder | 1997-09-02 |