Patents by Inventor David Ulf

David Ulf 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).

  • Substitute opportunity sales method and system
    Publication number: 20040103025
    Abstract: A substitute opportunity sales method and system, targeted at moving a purchaser off their original purchase choice and onto a substitute purchase, may be embodied in a reservations system and include offering the purchaser an at least equivalent substitute reservation after the purchaser has tendered a reservation purchase for an original reservation.
    Type: Application
    Filed: November 27, 2002
    Publication date: May 27, 2004
    Applicant: WTT, INC., DOING BUSINESS AS RADIUS
    Inventors: David Ulf, Jay Richmond