TREA

Ning Shen

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  • Maple Grove, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic conditioner
    • Patent number 6,442,279
    • Issue date Aug 27, 2002
    • Micro Ear Technology, Inc.
    • David A. Preves
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustics conditioner
    • Patent number 6,359,992
    • Issue date Mar 19, 2002
    • Micro Ear Technology
    • David A. Preves
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE