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William R. Morrell

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  • Santa Cruz, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound pressure level limiter with anti-startle feature
    • Patent number 9,008,319
    • Issue date Apr 14, 2015
    • Plantronics, Inc.
    • Antony M W. Bayley
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Audio limiting circuit
    • Patent number 7,242,783
    • Issue date Jul 10, 2007
    • Plantronics, Inc.
    • William A. Weeks
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Audio limiting circuit
    • Patent number 7,013,011
    • Issue date Mar 14, 2006
    • Plantronics, Inc.
    • William A. Weeks
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents