TREA

Robert D. Kuehn

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  • Eagan, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Radiation absorbing surfaces
    • Patent number 4,582,111
    • Issue date Apr 15, 1986
    • Minnesota Mining and Manufacturing Company
    • Robert D. Kuehn
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Radiation absorbing surfaces
    • Patent number 4,396,643
    • Issue date Aug 2, 1983
    • Minnesota Mining and Manufacturing Company
    • Robert D. Kuehn
    • F24 - HEATING RANGES VENTILATING