Priority Date: 09.12.09 (KR 20090121895)

Sound enhancement apparatus and method

  • Application ID: EP10191288
  • Status: Request for examination was made


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This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Arnold & Siedsma is specialised in H04 (ELECTRIC COMMUNICATION TECHNIQUE). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.


  • 09.12.2009 - Priority Date (KR 20090121895)
  • 15.06.2011 - Publication A2 (EP2334103)
  • 28.06.2017 - Publication A3 (EP2334103)

IPC Classification