Patent · US Expired

Portable handset telephone

USD321183S · kind S · design

76Cited by
11References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1990
Grant dateOct 29, 1991
Priority date
Expiry dateOct 29, 2005

Classification

  • Technology area (CPC —)General

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