Patents by Inventor Jeffrey Norman Froggatt

Jeffrey Norman Froggatt 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).

  • Communication system for maintaining data consistency among replicated shared objects
    Patent number: 5734902
    Abstract: A shared object is created which is copied to all system nodes requiring access to the object and a used-by table is created identifying the nodes holding a copy of the object. When the object is updated by operations at one of the nodes then the copies identified by the used-by table are also updated.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: March 31, 1998
    Assignee: GPT Limited
    Inventors: Steve John Atkins, Jeffrey Norman Froggatt, Leonard William Parker