Willem Petiet

Person

  • Delden, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic vibration generator

    • Patent number 6,023,123
    • Issue date Feb 8, 2000
    • Hollandse Signaalapparaten B.V.
    • Willem Petiet
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS