Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6074458 | Method and apparatus for separation of unburned carbon from flyash | Thomas M. Dunn, Frank J. Hrach, Jr. | 2000-06-13 | $34,014,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6074458 | Method and apparatus for separation of unburned carbon from flyash | Thomas M. Dunn, Frank J. Hrach, Jr. | 2000-06-13 | $34,014,000 |