Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727828 | Pressurized system for protecting signal transfer capability at a subsurface location | Christophe Rayssiguier, Alexandre Kosmala, Michael Robert Johnson, Joseph Varkey | 2004-04-27 |
| 6684952 | Inductively coupled method and apparatus of communicating with wellbore equipment | Mark W. Brockman, Herve Ohmer | 2004-02-03 |