Patent · US Expired

Speaker phone

USD342732S · kind S · design

55Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 23, 1992
Grant dateDec 28, 1993
Priority date
Expiry dateDec 28, 2007

Classification

  • Technology area (CPC —)General

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