Heikki Hietanen

Person

  • Espoo, FI

Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone

    • Patent number D492289
    • Issue date Jun 29, 2004
    • Savox Communications Oy Ab (Ltd)
    • Juha Lätti
    • D14 - Recording, communication, or information retrieval equipment