Petteri Luukkanen

3 Patents

• US124900172025

  Method and Arrangement for Producing Sound in an Electronic Device

  0 cites
• US123330792025

  Surface Audio Device with Haptic or Audio Feedback

  PS AUDIO DESIGN OY

  0 cites
• US122253662025

  Acoustic Transducer with Balanced Properties

  PS Audio Design Oy

  0 cites