Patents by Inventor Per Otterström

Per Otterström 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).

  • Methods, Devices and Computer Program Products for Voucher Access Code Creation and Management
    Publication number: 20120109827
    Abstract: Methods, devices and computer program products are provided that provide refills for pre-paid subscriptions. A voucher activation code is received for a subscriber account. The voucher activation code is processed to obtain a voucher serial number, where the processing includes performance of a decryption operation. The voucher serial number is used to identify a voucher for use in updating the subscriber account.
    Type: Application
    Filed: July 6, 2009
    Publication date: May 3, 2012
    Inventor: Per Otterström