Carl E. Johnson

Person

  • Elk Groove Village, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of foaming a liquid metal

    • Patent number 4,183,744
    • Issue date Jan 15, 1980
    • The United States of America as represented by the United States Department o...
    • Albert K. Fischer
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...