Patents by Inventor Dieter Hannawacker

Dieter Hannawacker 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: 5726104
    Abstract: A light-admitting plastic sheet component is used for rigid roofing. PVC or PC is chosen as the material for the plastic sheet, and the side not exposed to weathering is coated with a non-combustible material that is resistant to flying sparks and radiant heat.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: March 10, 1998
    Assignee: AGOMER Gesellschaft mit beschrankter Haftung
    Inventors: Dieter Hannawacker, Klaus Oberlander, Norbert Brand, Dieter Bettinger