TREA

Joel Robert Sietsema

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  • Carlsbad, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio speaker
    • Patent number D1083876
    • Issue date Jul 15, 2025
    • Sound United, LLC
    • Ellie Rei Fukuda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio speaker
    • Patent number D1083877
    • Issue date Jul 15, 2025
    • Sound United, LLC
    • Ellie Rei Fukuda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio speaker
    • Patent number D1081622
    • Issue date Jul 1, 2025
    • Sound United, LLC
    • Ellie Rei Fukuda
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKERS
    • Publication number 20240080594
    • Publication date Mar 7, 2024
    • Sound United, LLC
    • Timothy David Williamson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE