Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10317552 | Seismic acquisition using narrowband seismic sources | John T. Etgen, Graham Openshaw | 2019-06-11 |
| 10247841 | Seismic acquisition method and apparatus | Andrew James Brenders, John T. Etgen, Graham Openshaw, Allan Ross | 2019-04-02 |