Patents by Inventor Javor Petrov Kolev

Javor Petrov Kolev 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: 5946619
    Abstract: A system and method for maintaining the home and visiting location records of a subscriber in a single-, dual- or multi-mode telecommunications system. Upon leaving the home system, an associated record is made of the new location within the visiting system, and a timer initiated. Paging of the subscriber is routed according to the presence of the associated record and unexpired timer, indicating the visiting system, and expired timer, indicating return to the home system.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: August 31, 1999
    Assignee: Ericsson Inc
    Inventor: Javor Petrov Kolev