TREA

David R. Hallquist

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  • River Falls, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic panel
    • Patent number 10,151,105
    • Issue date Dec 11, 2018
    • Stillpoints LLC
    • Alfonso E. Perez
    • E04 - BUILDING
  • Information Patent Grant

    Acoustic panel
    • Patent number 9,702,143
    • Issue date Jul 11, 2017
    • Stillpoints LLC
    • Alfonso E. Perez
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    Acoustic Panel
    • Publication number 20170306617
    • Publication date Oct 26, 2017
    • Stillpoints LLC
    • Alfonso E. Perez
    • E04 - BUILDING
  • Information Patent Application

    Acoustic Panel
    • Publication number 20150096832
    • Publication date Apr 9, 2015
    • Stillpoints LLC
    • Alfonso E. Perez
    • E04 - BUILDING