TREA

Daniel R. von Recklinghausen

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  • Arlington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for measurement of acoustic volume
    • Patent number 4,429,702
    • Issue date Feb 7, 1984
    • Electro Audio Dynamics, Inc.
    • Daniel R. von Recklinghausen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus for improving linearity of electromechanical transducers
    • Patent number 4,406,921
    • Issue date Sep 27, 1983
    • Electro Audio Dynamics, Inc.
    • Daniel R. von Recklinghausen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker systems
    • Patent number 4,383,134
    • Issue date May 10, 1983
    • Electro Audio Dynamics, Inc.
    • Daniel R. von Recklinghausen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dynamic speaker equalizer
    • Patent number 4,327,250
    • Issue date Apr 27, 1982
    • Electro Audio Dynamics Inc.
    • Daniel R. von Recklinghausen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Switch
    • Patent number 4,246,453
    • Issue date Jan 20, 1981
    • Electro Audio Dynamics, Inc.
    • Justin W. Marchese
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Planar pattern voice coil audio transducer
    • Patent number 4,037,061
    • Issue date Jul 19, 1977
    • Electro Audio Dynamics, Inc.
    • Daniel R. von Recklinghausen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Half-wave rectifier circuit
    • Patent number 3,936,720
    • Issue date Feb 3, 1976
    • Eastern Air Devices, Inc.
    • Daniel R. VON Recklinghausen
    • G01 - MEASURING TESTING