Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003057 | Method and apparatus for controlling acid gas emissions from cement plants | — | 2011-08-23 |
| 7862332 | Apparatus for controlling pollution from a cement plant | Ronald L. Hawks | 2011-01-04 |