Patent · US Expired

Keratometer

USD402034S · kind S · design

0Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1996
Grant dateDec 1, 1998
Priority date
Expiry dateDec 1, 2012

Classification

  • Technology area (CPC —)General

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