Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614229 | System and method for monitoring a reservoir and placing a borehole using a modified tubular | Brian Clark, Martin G. Luling, Mark Frey, Anthony Collins | 2003-09-02 |
| 6577244 | Method and apparatus for downhole signal communication and measurement through a metal tubular | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2003-06-10 |