Patent · US Expired

Digital voice recorder

USD487259S1 · kind S1 · design

10Cited by
4References
1Claims
0Family size

Assignees

Inventor

Key dates

Filing dateNov 21, 2002
Grant dateMar 2, 2004
Priority date
Expiry dateMar 2, 2018

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.