Patents by Inventor Benazzouz Mabrouki

Benazzouz Mabrouki 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).

  • Patent number: 6278863
    Abstract: A system for exchanging data between a portable payment terminal and a stationary base terminal in communication with a payment center. The portable terminal and the base terminal each include a central unit and a radio transmit-receive module. Each central unit is adapted to generate/read binary messages transmitted/received in the form of radio waves by the transmit-receive module. The portable payment terminal or the stationary base terminal include means for storing the binary messages and means for deactivating the central unit such that the radio transmit-receive module is operable only when the central unit is deactivated.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: August 21, 2001
    Assignee: Schlumberger Systemes
    Inventor: Benazzouz Mabrouki