Patent · US Expired

Speaker

USD351839S · kind S · design

10Cited by
11References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1992
Grant dateOct 25, 1994
Priority date
Expiry dateOct 25, 2008

Classification

  • Technology area (CPC —)General

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