Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5463320 | Apparatus and method for determining the resitivity of underground formations surrounding a borehole | Stephen D. Bonner, Richard A. Rosthal, Martin G. Luling, Jacques Jundt | 1995-10-31 |
| 5339037 | Apparatus and method for determining the resistivity of earth formations | Stephen D. Bonner, Richard A. Rosthal | 1994-08-16 |