Tooth whitening device
USD438622S · kind S · design
12Cited by
2References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Mar 6, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.