Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959435 | Method and apparatus for reducing NOx emissions in rotary kilns by SNCR | Eric R. Hansen, Kenneth J. Derksen, Walter Parker, Ralph A. Supelak, James R. Tutt | 2011-06-14 |