TREA

Werner Gronnenberg

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  • Hagen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas burner configuration for cooking areas
    • Patent number 6,318,357
    • Issue date Nov 20, 2001
    • BSH Bosch und Siemens Hausgeraete GmbH
    • Bernd Mühle
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Gas burner
    • Patent number 5,649,822
    • Issue date Jul 22, 1997
    • Elektro-und Gas-Armaturen-Fabrik GmbH
    • Kurt Gertler
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES