TREA

John Duda

Follow

Person

  • Dumont, NJ, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Anechoic structural elements and chamber
    • Patent number 5,317,113
    • Issue date May 31, 1994
    • Industrial Acoustics Company, Inc.
    • John Duda
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Masking noise generator
    • Patent number 4,054,751
    • Issue date Oct 18, 1977
    • CDF Industries, Inc.
    • George Donald Calder
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS