Patents by Inventor Assen Vassilev

Assen Vassilev 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).

  • Bounded flexibility search and interface for travel reservations
    Publication number: 20050043974
    Abstract: A system and method for selecting travel products, including but not limited to a system having a plurality of selection rules that enable the user to rapidly select the best travel product by using range searches for all search criteria.
    Type: Application
    Filed: April 15, 2004
    Publication date: February 24, 2005
    Inventors: Assen Vassilev, Stanislav Gyoshev