Patent · US Expired

Speaker transducer

USD494959S1 · kind S1 · design

6Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 27, 2003
Grant dateAug 24, 2004
Priority date
Expiry dateAug 24, 2018

Classification

  • Technology area (CPC —)General

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