Patent · US Expired

Home communicator for a personal emergency response system

USD313363S · kind S · design

12Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 1988
Grant dateJan 1, 1991
Priority date
Expiry dateJan 1, 2005

Classification

  • Technology area (CPC —)General

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