Automobile stereo system multi-channel electronic cross-over network
USD269610S · kind S · design
4Cited by
0References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1980 |
| Grant date | Jul 5, 1983 |
| Priority date | — |
| Expiry date | Jul 5, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.