Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7198118 | Communication adapter for use with a drilling component | David R. Hall, David Pixton, H. Tracy Hall, Jr., Michael Rawle | 2007-04-03 |
| 7193527 | Swivel assembly | David R. Hall, David Pixton, Michael Briscoe, Michael Rawle, David Bartholomew +1 more | 2007-03-20 |
| 7098802 | Signal connection for a downhole tool string | David R. Hall, H. Tracy Hall, Jr., David Pixton, Joe Fox, Michael Briscoe | 2006-08-29 |
| 7017667 | Drill string transmission line | David R. Hall, H. Tracy Hall, Jr., David Pixton, Joe Fox | 2006-03-28 |