TREA

Hans-Karl Heil

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  • Wildflecken, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,532,444
    • Issue date Jul 2, 1996
    • Preh-Werke GmbH & Co., KG
    • Herbert Bonrath
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

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    • Patent number 5,426,274
    • Issue date Jun 20, 1995
    • Preh-Werke GmbH & Co. KG
    • Ulrich Bruggemann
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

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    • Patent number 5,360,954
    • Issue date Nov 1, 1994
    • Preh-Werke GmbH & Co. KG
    • Ulrich Bruggeman
    • H01 - BASIC ELECTRIC ELEMENTS