Charles E. Keenan

Person

  • Perkasie, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Handbell

    • Patent number 4,566,400
    • Issue date Jan 28, 1986
    • Schulmerich Carillons, Inc.
    • Charles E. Keenan
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS