Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586934 | Apparatus for fixing latency | David R. Hall, David Bartholomew, Roger O. Koehler | 2009-09-08 |
| 7142129 | Method and system for downhole clock synchronization | David R. Hall, David Bartholomew, Monte Johnson, Roger O. Koehler | 2006-11-28 |
| 7123160 | Method for triggering an action | David R. Hall, David Bartholomew, Monte Johnson, Roger O. Koehler | 2006-10-17 |