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Gretel Schmidt

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  • Neunkirchen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cam shaft for internal combustion engine
    • Patent number 5,577,420
    • Issue date Nov 26, 1996
    • Helmut Riemscheid
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cam shaft for internal combustion engine
    • Patent number 5,165,303
    • Issue date Nov 24, 1992
    • GKN Automotive AG
    • Helmut Riemscheid
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES