Patents by Inventor Donald K. Covey

Donald K. Covey 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).

  • Hierarchical hardware flowchart using symbolic macros
    Patent number: 5428550
    Abstract: A hierarchial hardware flowchart methodology for design of integrated circuits utilizes repetitious symbols in a first level flowchart with a single macro flowchart symbol per instance that conveys the same information, resulting in a two-dimensional flowchart. This allows the same information to be conveyed in a smaller, more readable format.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: June 27, 1995
    Assignee: National Semiconductor Corporation
    Inventors: Donald K. Covey, Sandra G. Schneider