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Helmut Heimberger

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  • Grenzach, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for making slide-fastener stringers
    • Patent number 3,982,988
    • Issue date Sep 28, 1976
    • Opti-Holding AG
    • Helmut Heimberger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Slide-fastener halves
    • Patent number 3,964,135
    • Issue date Jun 22, 1976
    • Opti-Holding AG
    • Helmut Heimberger
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Method of making slide-fastener stringers
    • Patent number 3,962,007
    • Issue date Jun 8, 1976
    • Opti-Holding AG
    • Helmut Heimberger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL