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Daniel W. FREEMAN

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  • Pleasanton, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular headphone system
    • Patent number 11,405,716
    • Issue date Aug 2, 2022
    • Wiley X, lnc.
    • Daniel W. Freeman
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    MODULAR HEADPHONE SYSTEM
    • Publication number 20230007386
    • Publication date Jan 5, 2023
    • Wiley X. Inc.
    • Daniel W. Freeman
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Modular Headphone System
    • Publication number 20200296501
    • Publication date Sep 17, 2020
    • WILEY X, INC.
    • Daniel W. FREEMAN
    • H03 - BASIC ELECTRONIC CIRCUITRY