Product authentication

Details Product authentication Product authentication

2011-01-25

2011-01-25

Frech, Karl D. (Department: 2887)

Registers

Records

Fluorescent, phosphorescent, radiation emitting

C235S494000

Reexamination Certificate

active

07874489

ABSTRACT:
The present invention provides methods, reagents, and apparatus for authenticating products. Methods of the invention are easy to implement but difficult to replicate, simulate, alter, transpose, or tamper with. In particular, the present invention relates to a product authentication code defined by a signature array of a population of entities, and its use thereof.

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