Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776838 | White pozzolan composition and blended cements containing same | Raymond T. Hemmings, Robert D. Nelson, Philip L. Graves | 2004-08-17 |
| 6695902 | Asphalt composites including fly ash fillers or filler blends, methods of making same, and methods for selecting or modifying a fly ash filler for use in asphalt composites | Raymond T. Hemmings, Russell L. Hill, Aron McBay | 2004-02-24 |