Hearing aid transducer or the like
USD280022S · kind S · design
5Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1983 |
| Grant date | Aug 6, 1985 |
| Priority date | — |
| Expiry date | Aug 6, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.