TREA

Erwin Schafer

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  • Viernheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device
    • Patent number 5,984,312
    • Issue date Nov 16, 1999
    • Firma Carl Freudenberg
    • Armin Hintenlang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 5,964,466
    • Issue date Oct 12, 1999
    • Firma Carl Freudenberg
    • Armin Hintenlang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...