Roger B. Dannenberg

Person

  • Pittsburgh, PA, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MUSIC INSTRUCTION SYSTEM

    • Publication number 20160253915
    • Publication date Sep 1, 2016
    • THE WAY OF H, INC.
    • Harold Lee
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MUSIC INSTRUCTION SYSTEM

    • Publication number 20140100010
    • Publication date Apr 10, 2014
    • THE WAY OF H, INC.
    • Harold Lee
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MUSIC INSTRUCTION SYSTEM

    • Publication number 20110003638
    • Publication date Jan 6, 2011
    • THE WAY OF H, INC.
    • Harold Lee
    • A63 - SPORTS GAMES AMUSEMENTS