John J. Nelson

Person

  • Westlake Village, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Spa or pool water filtering apparatus

    • Patent number 6,066,253
    • Issue date May 23, 2000
    • Softub, Inc.
    • Carsten H. Idland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL