Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844778 | Membrane with perforations, method for producing such a membrane and separating device comprising one or more of such membranes | — | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844778 | Membrane with perforations, method for producing such a membrane and separating device comprising one or more of such membranes | — | 1989-07-04 |