Patent · US Expired

Pen with digital audio component

USD545896S1 · kind S1 · design

41Cited by
17References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 3, 2005
Grant dateJul 3, 2007
Priority date
Expiry dateJul 3, 2021

Classification

  • Technology area (CPC —)General

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