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Custom-moulded ear-plug, and process for producing a custom-moulded ear-plug device

  • US 6,766,878 B2
  • Filed: 11/27/2002
  • Issued: 07/27/2004
  • Est. Priority Date: 09/25/2000
  • Status: Expired due to Term
First Claim
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1. A device for improving hearing, for inserting into or adjacent to the ear of an individual, comprising:

  • a shelf custom-shaped to fit the individual, said shell comprised substantially of a first material, said shell including a part, said part comprised substantially of said first material, said part having an inner surface;

    a pattern of embossments or indentations of said inner surface, said pattern made out of said first material, wherein said pattern represents an individualized identification code of said part or said device, and further wherein said pattern is generated concurrent to the manufacture of said part.

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