TREA

William M. Blumthal

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  • Naperville, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for retention of a refrigerant fluid in a refr...
    • Patent number 5,966,946
    • Issue date Oct 19, 1999
    • Praxair Technology, Inc.
    • John Martin Girard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cryogenic tunnel freezer
    • Patent number 5,444,985
    • Issue date Aug 29, 1995
    • Liquid Carbonic Corporation
    • Gary D. Lang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...