Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795531 | Method for dewatering paper | Samuel C. Sofia, Marla S. Crill, Martin J. Roop, Steven R. Gotberg, Anthony S. Nigrelli +1 more | 1989-01-03 |
| 4750974 | Papermaking aid | — | 1988-06-14 |
| 4643801 | Papermaking aid | — | 1987-02-17 |