Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574302 | Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester | Richard Constantine van Lee | 2017-02-21 |
| 8951388 | Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester | Richard Constantine van Lee | 2015-02-10 |