TREA

Derek Campbell

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  • Baltimore, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronics case
    • Patent number D901178
    • Issue date Nov 10, 2020
    • Harman International Industries, Incorporated
    • Hyo Jin Kim
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Flex-fit ear tip for headphones
    • Patent number 10,791,390
    • Issue date Sep 29, 2020
    • Harman International Industries, Incorporated
    • Effrosini A. Karayiannis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headphone
    • Patent number D892089
    • Issue date Aug 4, 2020
    • Harman International Industries, Incorporated
    • Effrosini A. Karayiannis
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D870711
    • Issue date Dec 24, 2019
    • Harman International Industries, Incorporated
    • Effrosini A. Karayiannis
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    FLEX-FIT EAR TIP FOR HEADPHONES
    • Publication number 20200245049
    • Publication date Jul 30, 2020
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Effrosini A. KARAYIANNIS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE