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Helmut Mueller

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  • Besigheim-Ottmarsheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Incandescent plug
    • Patent number 5,172,664
    • Issue date Dec 22, 1992
    • Beru Ruprecht GmbH & Co., KG
    • Helmut Mueller
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Glow element
    • Patent number 4,733,053
    • Issue date Mar 22, 1988
    • BERU Ruprecht GmbH & Co. KG
    • Helmut Mueller
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS