Patents by Inventor Peter Leishman

Peter Leishman 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).

  • Information retrieval system and method employing spatially selective features
    Patent number: 7707140
    Abstract: A geo-coded database stores advertiser records which include location information. Received search requests are matched with database records based on location information in the search requests and the record location information. In this manner, a user can search for information on a local basis and receive only the most relevant local search results.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: April 27, 2010
    Assignee: Yahoo! Inc.
    Inventors: Peter Leishman, Peter Forth, John Stewart
  • Information retrieval system and method employing spatially selective features
    Publication number: 20040073538
    Abstract: An information retrieval system and method employing spatially selective features. A geo-coded database stores advertiser records which include location information. Received search requests are matched with database records based on location information in the search requests and the record location information. In this manner, a user can search for information on a local basis and receive only the most relevant local search results.
    Type: Application
    Filed: October 9, 2002
    Publication date: April 15, 2004
    Applicants: Lasoo, Inc., Overture Services, Inc.
    Inventors: Peter Leishman, Peter Forth, John Stewart