Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117525 | Multi-elevational tissue paper containing selectively disposed chemical papermaking additive | Paul Dennis Trokhan, Dean Van Phan | 2000-09-12 |
| 5840403 | Multi-elevational tissue paper containing selectively disposed chemical papermaking additive | Paul Dennis Trokhan, Dean Van Phan | 1998-11-24 |