| 6853604 |
Solid marine seismic cable |
James Spackman, Mike Maples, Louis W. Erath, John Luscombe |
2005-02-08 |
| 6256588 |
Seismic sensor array with electrical to optical transformers |
John L. Maida, John Luscombe, Louis W. Erath |
2001-07-03 |
| 6188645 |
Seismic sensor array with electrical-to optical transformers |
John L. Maida, John Luscombe, Louis W. Erath |
2001-02-13 |
| 6188646 |
Hydrophone carrier |
John Luscombe, Louis W. Erath, Jim Spackman, David S. Lamance, Michael Maples |
2001-02-13 |
| 6160762 |
Optical sensor |
John Luscombe, John L. Maida, Louis W. Erath, Malcolm Paul Varnham, Ed Kluth |
2000-12-12 |
| 6151277 |
Hydrophone with ferroelectric sensor |
Louis W. Erath |
2000-11-21 |
| 6128251 |
Solid marine seismic cable |
Louis W. Erath, Michael Maples, John Luscombe |
2000-10-03 |
| 5675556 |
Hydrophone structure and method |
Louis W. Erath |
1997-10-07 |
| 5299172 |
Method for adjusting crystal hydrophone output |
Algernon S. Badger |
1994-03-29 |
| 4448057 |
Apparatus and method for testing a geophone during assembly |
— |
1984-05-15 |