Hearing protector
USD413413S · kind S · design
93Cited by
7References
1Claims
0Family size
Inventors
Key dates
| Filing date | Dec 18, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Aug 31, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.