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Alfred Vollert

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  • La Chaux-de-Fonds, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Packing
    • Patent number 5,519,674
    • Issue date May 21, 1996
    • Werthanor S.A.
    • Alfred Vollert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Packing
    • Patent number 5,340,009
    • Issue date Aug 23, 1994
    • Werthanor SA
    • Alfred Vollert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Timepiece with a rotating bezel
    • Patent number 5,237,546
    • Issue date Aug 17, 1993
    • Werthanor SA
    • Alfred Vollert
    • G04 - HOROLOGY
  • Information Patent Grant

    Sealed control arrangement for a timepiece
    • Patent number 5,184,334
    • Issue date Feb 2, 1993
    • Fabrique Ebel SA
    • Alfred Vollert
    • G04 - HOROLOGY