Jing Jie Cong

Person

  • Sheuyang, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Non-refillable valve

    • Patent number 7,322,558
    • Issue date Jan 29, 2008
    • Discount Refrigerants, Inc.
    • Jing Jie Cong
    • H01 - BASIC ELECTRIC ELEMENTS