Patents by Inventor Margret Plontges

Margret Plontges 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).

  • Sheetlike structure of fibers, especially as a reinforcement for plastics components
    Patent number: 4857379
    Abstract: A sheetlike structure of fibres is provided, useful as a reinforcement for plastic components. A plurality of threads are arranged in the warp and weft directions, and some of the threads are made of a material which shrinks when subjected to heat treatment at a temperature below its melting point and which substantially regains its original strength after being subjected to heat shrinking and cooling.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: August 15, 1989
    Assignee: Verseidag Industrietextilien GmbH
    Inventors: Margret Plontges, Herbert Cox