Patents by Inventor Ariel Charytan

Ariel Charytan 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).

  • Prepaid telephone calling card with distinct PIN numbers
    Patent number: 7400715
    Abstract: A prepaid long-distance telephone calling card has two or more distinct PIN numbers each obscured by opaque scratch-off material. Each PIN number is associated with prepaid value. A user can scratch off the opaque material for PIN numbers one by one, and the value for each PIN number expires in a way that is unrelated to any other PIN number on the card.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: July 15, 2008
    Assignee: Epana Networks, Inc.
    Inventors: Ariel Charytan, Elie Seidman
  • Prepaid Telephone Calling Card with Distinct PIN Numbers
    Publication number: 20050259799
    Abstract: Abstract of the Disclosure A prepaid long-distance telephone calling card has two or more distinct PIN numbers each obscured by opaque scratch-off material. Each PIN number is associated with prepaid value. A user can scratch off the opaque material for PIN numbers one by one, and the value for each PIN number expires in a way that is unrelated to any other PIN number on the card.
    Type: Application
    Filed: October 4, 2004
    Publication date: November 24, 2005
    Applicant: Epana Networks, Inc.
    Inventors: Ariel Charytan, Elie Seidman