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.

Patent No.:

US 7688990 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 30, 2010

Filed:

Mar. 15, 2005
Applicants:

Johan Hellgren, Hellerup, DK;

Thomas BO Nielsen, Hellerup, DK;

Inventors:

Johan Hellgren, Hellerup, DK;

Thomas Bo Nielsen, Hellerup, DK;

Assignee:

Oticon A/S, Smorum, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hearing aid with anti feed back system, the hearing aid including


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