Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7643375 | Apparatus and method for seismic data acquisition | Phil Behn, John K. Chester, Leo Dekkers, John Downey, Keith Elder | 2010-01-05 |
| 7158445 | Apparatus and method for seismic data acquisition | Lawrence Philip Behn, John K. Chester, Leo Dekkers, John Downey, Keith Elder | 2007-01-02 |