TREA

Richard A. Ley

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger
    • Patent number 4,856,580
    • Issue date Aug 15, 1989
    • Berwind Corporation
    • Richard A. Ley
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rotary disc type heat exchanger
    • Patent number 3,951,206
    • Issue date Apr 20, 1976
    • The Strong-Scott Mfg. Co.
    • Norman E. Williams
    • F28 - HEAT EXCHANGE IN GENERAL