Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075866 | Sulfur degassing process | Alfred E. Keller, Nathan A. Hatcher, Sriram Ramani, Michael D. Smith | 2011-12-13 |
| 7998451 | Sulfur degassing process | Alfred E. Keller, Nathan A. Hatcher, Sriram Ramani, Michael D. Smith | 2011-08-16 |