Patents by Inventor Ron Lefl

Ron Lefl 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: 20080228598
    Abstract: A business directory and/or social-network site with business-to-business, real-time e-commerce capability as well as business-to-consumers, real-time e-commerce capability. Other aspects include systems/methods for targeting users of the business directory and/or social-network site with advertising, which relates contextually to the interests and behavior of a user. Such advertisements are presented to the user on the user's private bulletin board.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 18, 2008
    Inventors: Andy Leff, Ron Lefl