Auto-tune system
USD421621S · kind S · design
12Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 30, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Mar 14, 2014 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.