Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315816 | High intensity magnetic field drum separator | Guenter Ries, Siegfried Foerster, Franz Graf, Wolfgang Lehmann, Karl-Heinz Unkelbach +1 more | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315816 | High intensity magnetic field drum separator | Guenter Ries, Siegfried Foerster, Franz Graf, Wolfgang Lehmann, Karl-Heinz Unkelbach +1 more | 1982-02-16 |