Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764544 | Process for incorporating coal ash into cement clinker | David Bridson Oates | 2004-07-20 |
| 5976243 | Process for producing cement clinker containing blast furnace slag | David Bridson Oates, Kevin Cail | 1999-11-02 |