TREA

Norbert Kollenbrandt

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  • Berkenthin, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupling device for a tube system
    • Patent number 5,316,350
    • Issue date May 31, 1994
    • Dragerwerk Aktiengesellschaft
    • Norbert Kollenbrandt
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Closed-cycle breathing equipment
    • Patent number 5,038,772
    • Issue date Aug 13, 1991
    • Dragerwerk Aktiengessellschaft
    • Ernst-Gunther Kolbe
    • A62 - LIFE-SAVING FIRE-FIGHTING