Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027610 | Production of soft paper products from old newspaper | Sangho Back, Nicholas W. Lazorisak, Norman L. Smeltzer | 2000-02-22 |
| 5755926 | Integrated pulping process of waste paper yielding tissue-grade paper fibers | Charles W. Hankins, Oldrich C. Prochazka | 1998-05-26 |
| 5620565 | Production of soft paper products from high and low coarseness fibers | Nicholas W. Lazorisak, Reginald Smith | 1997-04-15 |
| 5582681 | Production of soft paper products from old newspaper | Sangho Back, Nicholas W. Lazorisak, Norman L. Smeltzer, Reginald Smith | 1996-12-10 |