Patent · US Expired

Hearing aid

USD497001S1 · kind S1 · design

13Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 2003
Grant dateOct 5, 2004
Priority date
Expiry dateOct 5, 2018

Classification

  • Technology area (CPC —)General

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