Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975243 | Downhole tubular with openings for signal passage | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2005-12-13 |
| 6903660 | Inductively-coupled system for receiving a run-in tool | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Anthony Collins +1 more | 2005-06-07 |
| 6863127 | System and method for making an opening in a subsurface tubular for reservoir monitoring | Brian Clark, Martin G. Luling, Mark Frey, Anthony Collins | 2005-03-08 |