Patents Represented by Attorney Leo J. Aubel

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  • Damping element
    Patent number: 3930560
    Abstract: A damping element comprising fiberous fuseable material shaped to form a cup-like member which may be inserted in the sound openings of an acoustic transducer to provide a selected acoustic resistance.
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: January 6, 1976
    Assignee: Industrial Research Products, Inc.
    Inventors: Elmer V. Carlson, August F. Mostardo, Jr.