Patents by Inventor Leif Ingemar Jaegtnes

Leif Ingemar Jaegtnes 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: 6721889
    Abstract: A method and system to activate or deactivate modifiable features, the system comprising a protected device having a plurality of modifiable features and an identification means, a protective device for modifying the modifiable features of the protected device, wherein the protective device is adapted to be in selective in communication with the protected device and the protective device comprises a processor, a first memory in communication with the processor for storing a plurality of activation codes, a second memory in communication with the processor for storing a plurality of release programs corresponding to the activation codes.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: April 13, 2004
    Assignee: Ericsson Enterprise GmbH
    Inventors: Leif Ingemar Jaegtnes, Gerhard Zimmermann