Patent · US Expired

Authentication system

US5380047A · kind A · utility

75Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 1993
Grant dateJan 10, 1995
Priority date
Expiry dateJun 16, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03H2250/35
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An authentication system, method and article for memorabilia and other forms of articles wherein a first image-bearing medium is affixed to the article with a tamper-proof adhesive. A unique code number is imprinted on the medium. A certificate of authenticity is provided for the article and includes a second image-bearing medium with an identical unique code number. A list of unique code numbers is maintained to enable a purchaser of the article to register that article such that the purchaser or a subsequent purchaser can verify the authenticity of the authenticated article.

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