Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11278971 | Drill steel and its manufacture | — | 2022-03-22 |
| 7424928 | Apparatus, system and method for flexibly coupling sensors to a downhole tool | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, David Pixton | 2008-09-16 |
| 7252174 | Downhole seismic-sonic receiver | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren | 2007-08-07 |