Patents by Inventor Eric D. Haugh

Eric D. Haugh 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).

  • Access controlled search results
    Patent number: 7600263
    Abstract: Serving a search result that includes an access controlled document includes obtaining a persistent access token that permits the verification of access to an access controlled document. The access controlled document is found in an index that includes an access controlled document and the persistent access token is used to verify authorization to access the access controlled document.
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: October 6, 2009
    Assignee: Google Inc.
    Inventors: Phuong Binh Nguyen, Eric D. Haugh, Michael T. Moss