Patents by Inventor Mark L. Ahlstrom

Mark L. Ahlstrom 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).

  • Computer reservation system with means to rank travel itineraries chosen in terms of schedule/fare data
    Patent number: 4862357
    Abstract: A remote data base containing flight schedule, fare, and fare limitations information is accessed from a local computer terminal. The information retrieved is sorted and scored in accordance with a predetermined travel policy stored in the local computer memory, and as applied to a proposed travel itinerary. A ranked list of applicable flights is merged into a single display.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: August 29, 1989
    Assignee: SystemOne Holdings, Inc.
    Inventors: Mark L. Ahlstrom, Bruce A. Keller, Randy S. Storch