Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7998269 | Cement blend | Lloyd Byron Spangle | 2011-08-16 |
| 5850880 | Composition and method to control cement slurry loss and viscosity | Larry K. Moran | 1998-12-22 |
| 5728210 | Composition and method to control cement slurry loss and viscosity | Larry K. Moran | 1998-03-17 |