Patent · US Expired

Combined telephone computer and keyboard

USD337570S · kind S · design

12Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1990
Grant dateJul 20, 1993
Priority date
Expiry dateJul 20, 2007

Classification

  • Technology area (CPC —)General

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