TREA

ARTHUR J. BIRCHENOUGH

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  • BEREA, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tunable acoustic attenuation
    • Patent number 9,697,817
    • Issue date Jul 4, 2017
    • Zin Technologies, Inc.
    • Bart F. Zalewski
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    TUNABLE ACOUSTIC ATTENUATION
    • Publication number 20160335999
    • Publication date Nov 17, 2016
    • ZIN TECHNOLOGIES, INC.
    • BART F. ZALEWSKI
    • B33 - ADDITIVE MANUFACTURING TECHNOLOGY