Donald J. Mayer

Person

  • Bellevue, WA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Aquatic sport assistance device

    • Patent number 9,198,518
    • Issue date Dec 1, 2015
    • Donald J. Mayer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...