Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842690 | Mixing chlorine gas into paper pulp slurries | Edward F. Allard | 1989-06-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842690 | Mixing chlorine gas into paper pulp slurries | Edward F. Allard | 1989-06-27 |