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Anti-counterfeiting and tracking system

  • US 6,456,729 B1
  • Filed: 10/06/1999
  • Issued: 09/24/2002
  • Est. Priority Date: 04/14/1994
  • Status: Expired due to Fees
First Claim
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1. A method of marking and tracking goods from place of manufacture to place of final distribution, the method comprising the steps of:

  • (a) providing a control computer to control and enable a host computer by providing an allotment of encoded symbols indicating said place of final distribution;

    (b) enabling said host computer to direct a printer at said place of manufacture to print said encoded symbol on said goods forming marked goods;

    (c) enabling said host computer to direct a second printer at said place of manufacture to print said encoded symbol on a package containing a plurality of said marked goods thereby forming a marked sized package of marked goods;

    (d) scanning said marked goods and said marked sized packages with a field reader illumination source which provides light which is absorbed by a first compound within dye used to print said encoded symbol and wherein said first compound subsequently forms a first emission;

    (e) capturing said symbol imprinted thereon by detecting emissions from a second compound within said dye which is excited by absorption of said first emission; and

    (e) verifying the authenticity of said symbol.

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