FIELD: hygiene. SUBSTANCE: device has head 1 with bristle 2, neck 3 and at least three handles 4 with locking members at their ends making right or obtuse angle with the neck. EFFECT: enhanced effectiveness in cleaning teeth. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
TOOTH-BRUSH | 1992 |
|
RU2035176C1 |
TOOTHBRUSH | 1992 |
|
RU2049416C1 |
TOOTH BRUSH | 1992 |
|
RU2030895C1 |
TOOTH BRUSH | 1992 |
|
RU2039485C1 |
TOOTH-BRUSH | 1992 |
|
RU2039508C1 |
TOOTHBRUSH | 1992 |
|
RU2049415C1 |
TOOTH BRUSH | 1992 |
|
RU2039481C1 |
TOOTH-BRUSH | 1995 |
|
RU2073991C1 |
TOOTH-BRUSH | 1992 |
|
RU2056779C1 |
TOOTH BRUSH | 1992 |
|
RU2048143C1 |
Authors
Dates
1995-08-20—Published
1992-06-02—Filed