Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347143 | Apparatus and process for purifying polluted water contained in natural or artificial pools by direct injection of oxygen | — | 1982-08-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347143 | Apparatus and process for purifying polluted water contained in natural or artificial pools by direct injection of oxygen | — | 1982-08-31 |