TREA

Wilhelm Kirsch

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  • Birkenau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Closed cell foamed material having interior canals filled with subs...
    • Patent number 4,464,428
    • Issue date Aug 7, 1984
    • Firma Carl Freudenberg
    • Heinrich Ebert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Wound dressing
    • Patent number 4,203,435
    • Issue date May 20, 1980
    • Firma Carl Freudenberg
    • Manfred Krull
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Scouring and cleaning cloth
    • Patent number 4,142,334
    • Issue date Mar 6, 1979
    • Firma Carl Freudenberg
    • Wilhelm Kirsch
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...