Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849116 | Process and a plant for separating low density material from substrate mixtures | Alfred Weinmann, Josef Steinegger, Peter Scheucher, Wolfgang Leutzendorff, Hubert Hermann | 1989-07-18 |