Combination microphone, speaker and control unit for a radio transceiver
USD249682S · kind S · design
12Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Sep 26, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.