Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746887 | Method of calibrating depths of a seismic receiver array | Johan Cornelis Hornman, Paul M. Zwartjes | 2020-08-18 |
| 10690790 | Method and system for recording seismic signals | Johan Cornelis Hornman, Jorge L. Lopez | 2020-06-23 |