Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681938 | Device and method for separating minerals, carbon and cement additives from fly ash | Micael R. Schoffstall, Yee Soong | 2004-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681938 | Device and method for separating minerals, carbon and cement additives from fly ash | Micael R. Schoffstall, Yee Soong | 2004-01-27 |