Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628206 | Method and system for the transmission of informations by electromagnetic wave | — | 2003-09-30 |
| 6614718 | Device and method for seismic drill hole measuring | Fabio Cecconi | 2003-09-02 |
| 6404350 | Device for providing an electrically insulated connection between two metal elements | — | 2002-06-11 |
| 5945923 | Device and method for transmitting information by electromagnetic waves | — | 1999-08-31 |
| 5394141 | Method and apparatus for transmitting information between equipment at the bottom of a drilling or production operation and the surface | — | 1995-02-28 |