David deRoy Vanzuydewyn

Person

  • Surrey, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable backup power supply

    • Patent number D542221
    • Issue date May 8, 2007
    • Xantrex International
    • Marius George Hriscu
    • D13 - Equipment for production, distribution, or transformation of energy