Handheld ultrasonic display device
USD469539S1 · kind S1 · design
25Cited by
53References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Jan 28, 2017 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.