Richard G. Sandberg

Person

  • Gloucester, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Refining of manganese oxide ores

    • Patent number 4,002,717
    • Issue date Jan 11, 1977
    • Deepsea Ventures, Inc.
    • Richard G. Sandberg
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Halidation of nonferrous metal values in manganese oxide ores

    • Patent number 3,990,891
    • Issue date Nov 9, 1976
    • Deepsea Ventures, Inc.
    • Richard G. Sandberg
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...