Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804478 | Method and an arrangement for the treatment and disinfection of swimming and bathing reservoir water using chlorine and ozone | — | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804478 | Method and an arrangement for the treatment and disinfection of swimming and bathing reservoir water using chlorine and ozone | — | 1989-02-14 |