Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835244 | Use of organic carbon-containing minerals | David Bridson Oates, John G. Whellock | 2004-12-28 |
| 6783585 | Carbon removal through partial carbon burn-out from coal ash used in concrete | David Bridson Oates | 2004-08-31 |
| 6755905 | Use of high carbon coal ash | David Bridson Oates, John G. Whellock | 2004-06-29 |