Patent · US Expired

Light pen with stylus for PDA

USD497179S1 · kind S1 · design

18Cited by
12References
1Claims
0Family size

Inventor

Key dates

Filing dateFeb 23, 2004
Grant dateOct 12, 2004
Priority date
Expiry dateOct 12, 2018

Classification

  • Technology area (CPC —)General

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