Ergonomic computer keyboard
USD541802S1 · kind S1 · design
11Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | Sep 21, 2005 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | May 1, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.