Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32203 | Pulping with quinones and hydroquinones | Peter Nelson, Alan Farrington | 1986-07-15 |
| 4213821 | Pulping with quinones and hydroquinones | Peter Nelson, Alan Farrington | 1980-07-22 |