Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9804281 | Migration velocity analysis method for VSP data | Mark Elliott Willis | 2017-10-31 |
| 9797243 | Geophysical prospecting by processing vertical seismic profiles using downward continuation | Mark Elliott Willis | 2017-10-24 |