Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7660194 | Microseismic fracture mapping using seismic source timing measurements for velocity calibration | Chris Wright, Eric Davis, James Ward, Norman R. Warpinski | 2010-02-09 |
| 5774419 | High speed point derivative microseismic detector | Norman R. Warpinski, Ernest Blayne Whetten | 1998-06-30 |