Patents by Inventor John G. Hemmann

John G. Hemmann 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).

  • Image-based document processing system having a platform architecture
    Patent number: 5708810
    Abstract: An image-based document processing system comprised of a plurality of hardware components arranged as a platform for processing documents using document images. The system employs a layered software architecture comprised of application programs, system services and a plurality of native operating systems provided for particular ones of the hardware components. The system services are callable by the application programs to provide an interface between the application programs and the native operating systems during operation of the system.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: January 13, 1998
    Assignee: Unisys Corporation
    Inventors: Norman P. Kern, Brian K. Forbes, John G. Hemmann, James D. Rogan, Morten Wiken, Joseph M. Capo, Howard H. Green