Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159335 | Method for treating pulp to reduce disintegration energy | James Owens, John P. Erspamer, Charles Edward Bost | 2000-12-12 |
| 4889597 | Process for making wet-laid structures containing individualized stiffened fibers | Robert Michael Bourbon | 1989-12-26 |