Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8823543 | Telemetry wave detection apparatus and method | Paul L. Camwell, Douglas S. Drumheller | 2014-09-02 |
| 8393412 | System and method for accurate wellbore placement | Paul L. Camwell, John Godfrey McRory, David D. Whalen | 2013-03-12 |
| 8115651 | Drill string telemetry methods and apparatus | Paul L. Camwell, Derek W. Logan | 2012-02-14 |
| 8022840 | Telemetry transmitter optimization using time domain reflectometry | Paul L. Camwell | 2011-09-20 |
| 7928861 | Telemetry wave detection apparatus and method | Paul L. Camwell, Douglas S. Drumheller | 2011-04-19 |
| 7817061 | Telemetry transmitter optimization using time domain reflectometry | Paul L. Camwell | 2010-10-19 |
| 7768423 | Telemetry transmitter optimization via inferred measured depth | Paul L. Camwell | 2010-08-03 |
| 6547137 | System for distribution and control of merchandise | Larry J. Begelfer, Mark S. DeHoff | 2003-04-15 |