Johan Birger

8 Patents

• USD11170062026

  Battery Charging Case for Mobile Devices

  GN AUDIO A/S

  0 cites
• USD10838842025

  Earphone

  GN AUDIO A/S

  0 cites
• USD10518312024

  Battery Charging Case for Mobile Devices

  GN Audio A/S

  0 cites
• USD10447142024

  Battery Charging Case for Mobile Devices

  GN Audio A/S

  0 cites
• USD10333932024

  Earphone

  GN AUDIO A/S

  0 cites
• USD10316442024

  Battery Charging Case for Mobile Devices

  GN Audio A/S

  0 cites
• USD10160432024

  Earphone

  GN Audio A/S

  0 cites
• USD10153082024

  Earphone

  GN Audio A/S

  0 cites