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| Number | Title | Issue Date |
| 6248244 | Portable water treatment assembly A portable water treatment assembly and water treatment method are disclosed in which the water to be purified is placed in an upper container together with a suitable bactericide, and is held in that container until the bactericidal action is complete. A... | 06/19/2001 |
| 6129841 | Portable water treatment assembly A portable water treatment assembly and water treatment method are disclosed in which the water to be purified is placed in an upper container together with a suitable bactericide, and is held in that container until the bactericidal action is complete. A... | 10/10/2000 |
