John N. DuPont

Person

  • Whitehall, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making multi-component composite metallic tube

    • Patent number 8,281,976
    • Issue date Oct 9, 2012
    • Plymouth Tube Co.
    • Anthony Caizza
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Neutron absorbing alloys

    • Patent number 6,730,180
    • Issue date May 4, 2004
    • Bechtel BWXT Idaho, LLC
    • Ronald E. Mizia
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents