Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684159 | Mapping subsurface open fractures in a reservoir using a surface impulse and a downhole vibratory source | Tawassul Ali Khan | 2004-01-27 |
| 6614717 | Time-lapse seismic using nonlinear seismic imaging | Tawassul Ali Khan | 2003-09-02 |