Priority Date: 03.05.02 (US 20020377661P)

Multi-channel downmixing device

  • Application ID: EP15150496
  • Status: The patent has been granted



Employment test 201 - 500 employees
Company dna grunecker kinkeldey stockmair and schwanhausser
operating since 1924
Headquarter in Munich and 2 offices
active in Legal Services


This EP application has the IPC class 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.


  • 03.05.2002 - Priority Date (US 20020377661P)
  • 03.06.2015 - Publication A1 (EP2879299)
  • 26.07.2017 - Publication B1 (EP2879299)

IPC Classification