Emil W. Shen

Person

  • Newark, DE, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Herbicidal composition

    • Patent number 4,979,979
    • Issue date Dec 25, 1990
    • E. I. Du Pont de Nemours and Company
    • William A. McCollum
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING