TREA

Helmut Schafer

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  • Russelsheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Forgery-resistant film and method of using same
    • Patent number 4,479,996
    • Issue date Oct 30, 1984
    • Hoechst Aktiengesellschaft
    • Helmut Sch/a/ fer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Forgery-resistant film
    • Patent number 4,341,833
    • Issue date Jul 27, 1982
    • Hoechst Aktiengesellschaft
    • Helmut Schafer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL