Patents by Inventor Richard Gordon Campbell

Richard Gordon Campbell 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).

  • Publication number: 20040133579
    Abstract: A data structure represents a textual string. The data structure is in the form of an annotated tree that includes nodes, each node having at most one parent node and a set of unordered, immediate constituents, each immediate constituent of a node being identified by a semantic relation to the node.
    Type: Application
    Filed: January 6, 2003
    Publication date: July 8, 2004
    Inventor: Richard Gordon Campbell