TREA

Hans-Jorg Ziebrecht

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  • Lubeck, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Respirator construction
    • Patent number 4,227,523
    • Issue date Oct 14, 1980
    • Dragerwerk Aktiengesellschaft
    • Detlef Warnow
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Respirator for emergency air supply to a patient
    • Patent number 4,227,519
    • Issue date Oct 14, 1980
    • Dragerwerk Aktiengesellschaft
    • Detlef Warnow
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE