TREA

Helmut Schaefer

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  • Mercogliano, IT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for dressing a substantially flat substrate such as split l...
    • Patent number 4,874,449
    • Issue date Oct 17, 1989
    • Schaefer; Philipp
    • Philipp Schaefer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Imitation dressed split leather
    • Patent number 4,751,116
    • Issue date Jun 14, 1988
    • Philipp Schaefer
    • Helmut Schaefer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dressed split leather
    • Patent number 4,581,261
    • Issue date Apr 8, 1986
    • Microplastic Rop.
    • Helmut Schaefer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Synthetic-resin body support material
    • Patent number 4,502,234
    • Issue date Mar 5, 1985
    • Secans AG
    • Helmut Schaefer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Layer composition
    • Patent number 4,016,326
    • Issue date Apr 5, 1977
    • Helmut Schaefer
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...