Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351630 | Apparatus for conditioning ASTM class C fly ash | Robert A. Lister, William H. Barrow, James B. Merkel, I Samuel Young | 1994-10-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351630 | Apparatus for conditioning ASTM class C fly ash | Robert A. Lister, William H. Barrow, James B. Merkel, I Samuel Young | 1994-10-04 |