Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729409 | Foamed nitrogen in liquid CO2 for fracturing | D. V. Satyanarayana Gupta, Ronald Pierce | 2004-05-04 |
| 6235701 | Stabilized carbon dioxide fluid composition and use thereof | — | 2001-05-22 |