Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844803 | Filter press with a plurality of membrane filter plates | Ludwig Mayer | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844803 | Filter press with a plurality of membrane filter plates | Ludwig Mayer | 1989-07-04 |