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Polygonal information encoding article, process and system

  • US 4,896,029 A
  • Filed: 03/31/1989
  • Issued: 01/23/1990
  • Est. Priority Date: 04/08/1988
  • Status: Expired due to Term
First Claim
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1. An optically readable label for storing encoded information comprising a multiplicity of information-encoded polygons having at least five sides, said polyygons arranged with the geometric centers of adjacent polygons lying at the vertices of a two-dimensional hexogonal array, said polygons having one of at least two different optical properties.

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