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Ryan J. Perkofski

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FREQUENCY NORMALIZATION OF AUDIO SIGNALS
    • Publication number 20100324711
    • Publication date Dec 23, 2010
    • ROCKFORD CORPORATION
    • Anthony D. Janke
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Frequency normalization of audio signals
    • Publication number 20060271215
    • Publication date Nov 30, 2006
    • ROCKFORD CORPORATION
    • Anthony D. Janke
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE