Audio amplification apparatus

Details for Australian Patent Application No. 2004201374 (hide)

Owner Phonak AG

Inventors McDermott, Hugh; Simpson, Andrea; Hersbach, Adam

Agent Freehills

Pub. Number AU-B-2004201374

Filing date 1 April 2004

Wipo publication date 20 October 2005

Acceptance publication date 23 December 2010

International Classifications

H04R 3/02 (2006.01) Circuits for transducers - for preventing acoustic reaction

H04R 25/00 (2006.01) Deaf-aid sets

Event Publications

22 April 2004 Complete Application Filed

20 October 2005 Application Open to Public Inspection

  Published as AU-B-2004201374

23 December 2010 Application Accepted

  Published as AU-B-2004201374

21 April 2011 Standard Patent Sealed

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