Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795373 | Permanent downhole resonant source | — | 2004-09-21 |
| 6745833 | Method of utilizing flowable devices in wellbores | Per-Erik Berger | 2004-06-08 |
| 6747914 | Use of minor borehole obstructions as seismic sources | — | 2004-06-08 |