Patents by Inventor Walter Lindsay

Walter Lindsay 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).

  • Virtual aggregate fields
    Patent number: 6694338
    Abstract: A method comprising defining one or more aggregate virtual fields for a first document using meta-data associated with the first document is disclosed.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: February 17, 2004
    Assignee: Contivo, Inc.
    Inventor: Walter Lindsay