Audio conferencing device
USD474169S1 · kind S1 · design
81Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2002 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | May 6, 2017 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.