Jeffrey Y. Chen

Person

  • Seattle, WA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Combination spray apparatus

    • Patent number 6,378,789
    • Issue date Apr 30, 2002
    • S.C. Johnson Commercial Markets, Inc.
    • Charles E. Seaman
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...