TREA

Dale R. Hahn

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  • Union Lake, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drawable corrosion inhibiting coating
    • Patent number 5,166,251
    • Issue date Nov 24, 1992
    • Depor Industries, Inc.
    • L. Donald Barrett
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Welding corrosion inhibiting coating
    • Patent number 5,047,451
    • Issue date Sep 10, 1991
    • Depor Industries, Inc.
    • L. Donald Barrett
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR