Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7265078 | Drilling fluid apparatus and method | Kevin H. Schilling, Michael Riley | 2007-09-04 |
| 6806231 | Drilling fluid, apparatus, and method | Kevin H. Schilling, Michael Riley | 2004-10-19 |
| 6518223 | Drilling fluid, apparatus, and method | Kevin H. Schilling, Michael Riley | 2003-02-11 |