Patents by Inventor Daniel Beysson

Daniel Beysson 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).

  • Method and a system enabling software to be run securely
    Patent number: 5083309
    Abstract: When a user receives a data medium containing software, the user is also provided with a memory card that must remain engaged in a card reader associated with the computer on which the software is run while the software is being run. Various intermediate results are stored in the memory of the card and not in the memory of the computer. During subsequent execution of the software these intermediate results are read back from the memory in the card.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: January 21, 1992
    Assignee: Schlumberger Industries
    Inventor: Daniel Beysson