Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775618 | Method and system for reducing effects of sea surface ghost contamination in seismic data | Johan O. A. Robertsson, James Edward Martin | 2004-08-10 |
| 6681887 | Method for the determination of local wave heights and acoustic sensor in marine seismic signals | Leendert Combee | 2004-01-27 |