Patent · US Expired

Reflectance meter

USD324344S · kind S · design

15Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 6, 1989
Grant dateMar 3, 1992
Priority date
Expiry dateMar 3, 2006

Classification

  • Technology area (CPC —)General

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