TREA

Alfred Wurm

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  • Munich, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filtering device for the preparation of coffee
    • Patent number 3,983,797
    • Issue date Oct 5, 1976
    • Interelectric Aktiengesellschaft
    • Alfred Wurm
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Reusable coffee filter
    • Patent number 3,943,058
    • Issue date Mar 9, 1976
    • Interelectric Aktiengesellschaft
    • Alfred Wurm
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...