Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534449 | Removal of wellbore residues | Ralph Cheung, Alexander Bui | 2003-03-18 |
| 5519214 | Method for analysis of drilling fluids | Otto Houwen, Mark Steven Sanders | 1996-05-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534449 | Removal of wellbore residues | Ralph Cheung, Alexander Bui | 2003-03-18 |
| 5519214 | Method for analysis of drilling fluids | Otto Houwen, Mark Steven Sanders | 1996-05-21 |