Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874521 | Pulp mill effluent color removal process | Harold L. Newman, William S. Adams | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874521 | Pulp mill effluent color removal process | Harold L. Newman, William S. Adams | 1989-10-17 |