Patents by Inventor Helmut Fassbender

Helmut Fassbender has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4550051
    Abstract: A laminate based on epoxy resin for printed circuits has epoxy resin-impregnated outer plies, each containing a substrate of glass fibers and epoxy resin-impregnated core plies, each containing a flat textile form or construction made of synthetic thermoplastic fibers.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: October 29, 1985
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Paul Spielau, Helmut Fassbender, Richard Weiss