Wolfgang Schaefer

Person

  • Aachen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Glazing with filtering band and process for production

    • Patent number 5,162,145
    • Issue date Nov 10, 1992
    • Saint-Gobain Vitrage International
    • Wolfgang Schaefer
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Method of forming film

    • Patent number 4,136,214
    • Issue date Jan 23, 1979
    • Saint-Gobain Industries
    • Claude Bourelier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL