TREA

John K. Willis

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  • Salem, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diffusion coating products
    • Patent number 5,843,588
    • Issue date Dec 1, 1998
    • Walbar Metals, Inc.
    • Bernard R. Rose
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Diffusion coating process
    • Patent number 5,482,578
    • Issue date Jan 9, 1996
    • Walbar Inc.
    • Bernard R. Rose
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Diffusion coating composition of improved flowability
    • Patent number 4,293,338
    • Issue date Oct 6, 1981
    • Walbar Metals, Inc.
    • Bernard R. Rose
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...