Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838995 | Process for bleaching cellulose pulp, a plant for preforming said process, and a screw press for use with said process and plant | — | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838995 | Process for bleaching cellulose pulp, a plant for preforming said process, and a screw press for use with said process and plant | — | 1989-06-13 |