Patent · US Expired

Combined speaker and microphone

USD388094S · kind S · design

40Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1996
Grant dateDec 23, 1997
Priority date
Expiry dateDec 23, 2011

Classification

  • Technology area (CPC —)General

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