Patent · US Expired

Marking pen

USD416940S · kind S · design

38Cited by
7References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 9, 1997
Grant dateNov 23, 1999
Priority date
Expiry dateNov 23, 2013

Classification

  • Technology area (CPC —)General

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