Patents by Inventor Annemarie Mannhardt

Annemarie Mannhardt 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).

  • Web with overlays for use in document presentation devices of copying machines and method of making the same
    Patent number: 4097280
    Abstract: A web with overlays for use in the document presentation device of a photographic copying machine has several sheet-like sections with overlapping portions which are separably coupled to each other by snap fasteners and carry overlays which are welded thereto by the application of heat and pressure. The overlays are applied to those sides of the sections which are coated with layers of photographic emulsion.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: June 27, 1978
    Assignee: AGFA-Gevaert AG
    Inventors: Annemarie Mannhardt, Rudolf Eppe, Josef Pfeifer