The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 27, 2004

Filed:

Nov. 27, 2002
Applicant:
Inventors:

Christoph Widmer, Stäfa, CH;

Hans Hessel, Benglen, CH;

Markus Weidmann, Saland, CH;

Assignee:

Phonak AG, Stafa, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 2/502 ; H04R 2/500 ; A61B 7/02 ; G08F 1/900 ;
U.S. Cl.
CPC ...
H04R 2/502 ; H04R 2/500 ; A61B 7/02 ; G08F 1/900 ;
Abstract

A hearing device for inserting into or adjacent to the ear of an individual. A shell is custom-shaped to fit the individual. The shell is made mainly of a first material and includes a part made mainly of the first material. The part has an inner surface. A pattern of embossments or indentations is provided in the inner surface. The pattern is made out of the first material. The pattern represents an individualized identification code of the part or the device. The pattern is generated concurrent to the manufacture of said part. The pattern can be generated using a laser sintering process, a laser lithography process, a stereo lithography process, or a thermojet process.


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