Hearing aid
USD498534S1 · kind S1 · design
0Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2003 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.