Smart toothbrush
Patent record for “Smart toothbrush”. Owner: Nguyễn Bá Hiền. Publication or grant number: US 10,863,818 B2. Jurisdiction: United States.
document preview- Record code
- US 10,863,818 B2
- Year
- Not available
- Jurisdiction
- United States
- Industry
- Unclassified
- Owner
- Nguyễn Bá Hiền










