Video magnifier for assisting persons with vision impairment
USD430588S · kind S · design
20Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1999 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Sep 5, 2014 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.