Patents by Inventor David Fenwick

David Fenwick 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).

  • Dynamic input processing system
    Patent number: 4704703
    Abstract: A data item input processor operates on the smallest subdivision of data as it is entered into a data processing system to provide control and/or error functions nearly simultaneously with the entry of each such data item. As each item is entered a tree logic search is conducted within a stored data base to determine if the entered item is permissible, that is, whether it completes an allowable sequence of data items. If the item cannot be found a signal is provided which may be used to initiate any function desired by the user.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: November 3, 1987
    Assignee: Airus Incorporated
    Inventor: David Fenwick