Patent · US Expired

Interactive display controller and telephone handset unit

USD389143S · kind S · design

179Cited by
13References
1Claims
0Family size

Assignees

Inventor

Key dates

Filing dateApr 25, 1996
Grant dateJan 13, 1998
Priority date
Expiry dateJan 13, 2012

Classification

  • Technology area (CPC —)General

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