Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9150456 | Manufacture of articles from fly ash | Karl John Shaw | 2015-10-06 |
| 7892479 | Manufacture of articles from fly ash | Karl John Shaw | 2011-02-22 |
| 7264673 | Manufacture of articles from fly ash | Karl John Shaw | 2007-09-04 |
| 6802896 | Concrete aggregate | Karl John Shaw | 2004-10-12 |