TREA

Fred Windt

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  • Berlin, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for transdermal administration of active medicinal agents
    • Patent number 5,071,657
    • Issue date Dec 10, 1991
    • Schering Aktiengesellschaft
    • Horst Oloff
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vaginal ring
    • Patent number 4,822,616
    • Issue date Apr 18, 1989
    • Schering Aktiengesellschaft
    • Ingfried Zimmermann
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vaginal ring
    • Patent number 4,155,991
    • Issue date May 22, 1979
    • Schering Aktiengesellschaft
    • Gisela Schopflin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents