Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173662 | Method and associated apparatus for determining carbon content in fly ash | Charles R. Muffler | 1992-12-22 |
| 5109201 | Method and associated apparatus for determining carbon content in fly ash | Charles R. Buffler | 1992-04-28 |
| 4705409 | Method and apparatus for measurement of carbon content in fly ash | — | 1987-11-10 |
| 4663507 | Method and apparatus for reduction of fly ash carbon by microwave | — | 1987-05-05 |