Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159335 | Method for treating pulp to reduce disintegration energy | James Owens, John P. Erspamer, John J. Ryan, deceased | 2000-12-12 |
| 5695486 | Light-weight, low density absorbent structure and method of making the structure | Denise Broughton, Howard Schoggen | 1997-12-09 |