Obstructed port audio signal alteration

  • Application ID: EP13172163
  • Status: The patent has been granted


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This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Kilburn & Strode LLP is specialized in H04. Kilburn & Strode LLP 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.


  • 17.12.2014 - Publication A1 (EP2814263)
  • 08.11.2017 - Publication B1 (EP2814263)

IPC Classification