Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360402 | Process and apparatus for preparing waste paper for reuse | Herbert Ortner, Lother Pfalzer | 1982-11-23 |
| 4356058 | Process for the reprocessing of papers | Lothar Pfalzer | 1982-10-26 |
| 4332638 | Method and apparatus for the recovery of a suspension of fibrous material from mixed waste paper | Eberhard Mauer, Lothar Pfalzer | 1982-06-01 |