Electromagnetic transducer
USD255896S · kind S · design
3Cited by
2References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Jul 15, 1994 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.