Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864593 | Device for producing of electric energy and of signal transmitting pressure pulses | Uwe Drager | 2005-03-08 |
| 6850463 | Borehole logging apparatus for deep well drilling | — | 2005-02-01 |