Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881299 | Refiner bleaching with magnesium oxide and hydrogen peroxide | Roger O. Campbell, Raymond E. Harrison, Paul B. Mobley, Gregg McCarthy | 2005-04-19 |
| 6743332 | High temperature peroxide bleaching of mechanical pulps | Kaaren Haynes, Roger O. Campbell, Zeecha L. Brooks, Robert T. Hamilton | 2004-06-01 |