Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363697 | Method for medium consistency oxygen delignification of pulp | Larry D. Markham | 1982-12-14 |
| 4349413 | Cellulosic fiber insulation and process of preparation | — | 1982-09-14 |