Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890372 | Denuder assembly for collection and removal of soluble atmospheric gases | Purnendu K. Dasgupta, Jianzhong Li | 2005-05-10 |
| 4871019 | Wellbore fluid sampling apparatus | Jerry L. Haley, Weldon H. Barber | 1989-10-03 |