Combined microphone and shielder
USD302819S · kind S · design
45Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1988 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Aug 15, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.