Dental evacuation hand piece
USD417730S · kind S · design
12Cited by
3References
1Claims
0Family size
Inventors
Key dates
| Filing date | Oct 17, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Dec 14, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.