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Nathan Kelsey

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  • Oak Park, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piano musical notation
    • Patent number 9,947,301
    • Issue date Apr 17, 2018
    • PIANO BY NUMBERS, LLC
    • Nathan Kelsey
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Piano Musical Notation
    • Publication number 20160210948
    • Publication date Jul 21, 2016
    • Piano By Numbers LLC
    • Nathan Kelsey
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS