Patent · US Expired

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US6728533B2 · kind B2 · utility

202Cited by
12References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 25, 2001
Grant dateApr 27, 2004
Priority date
Expiry dateJun 17, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G9/0011
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

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