Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746432 | Spacer accessory for XRF handheld analyzers | Ted Michael Shields | 2017-08-29 |
| 7598333 | Low-viscosity drag reducer | Timothy L. Burden, Allan Browne, William F. Harris | 2009-10-06 |
| 7275605 | Rotatable drill shoe | Edward Cousins, Marc E. Leveque, Gary J. Collins | 2007-10-02 |