David J. Lang

Person

  • Beverly, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    In-ground water treatment system

    • Patent number 5,624,552
    • Issue date Apr 29, 1997
    • University of Waterloo
    • Enoch S. Vales
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL