Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699930 | Apparatus and method for feeding materials to a cement mill | Nathan A. Fernow, Ajay Joshi | 2010-04-20 |
| 5837052 | Process for producing cement clinker containing coal ash | David Bridson Oates, Syed Suhail Akhtar | 1998-11-17 |