Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388251 | Optical probe for analysis of formation fluids | — | 2002-05-14 |
| 6176323 | Drilling systems with sensors for determining properties of drilling fluid downhole | John B. Weirich, Ronald G. Bland, William Smith, Volker Krueger, John W. Harrell +1 more | 2001-01-23 |