Alternated magnetic polarity oral care devices
- 专利权人:
- Henryk Malak
- 发明人:
- Henryk Malak
- 申请号：
- US16501292
- 公开号：
- US20200297106A1
- 申请日:
- 2019.03.20
- 申请国别(地区):
- US
- 年份:
- 2020
- 代理人:
- 摘要：
- This invention relates to novel oral care devices that are based upon alternated magnetic polarity magnetic elements built into oral care devices, which provide very effective removal oral plaque, tooth tartar and oral bacteria.
- 来源网站：
- 中国工程科技知识中心
