Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861483 | Apparatus and process to eliminate diffusional limitations in a membrane biological reactor by pressure cycling | George S. Efthymiou | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861483 | Apparatus and process to eliminate diffusional limitations in a membrane biological reactor by pressure cycling | George S. Efthymiou | 1989-08-29 |