TREA

Friedrich Mayerhofer

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  • CH - 2543 Lengnau, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zipper slide
    • Patent number 5,604,962
    • Issue date Feb 25, 1997
    • Friedrich Mayerhofer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Device for the manufacture of a zip fastener
    • Patent number 5,529,482
    • Issue date Jun 25, 1996
    • Friedrich Mayerhofer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL