Patents by Inventor David P. Kunz

David P. Kunz 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).

  • Dynamic allocation of roamer routing numbers system and method
    Patent number: 5353340
    Abstract: The present invention provides a communications system including at least one mobile transceiver; at least one mobile switching center, at least one mobile switching center including means for allocating a temporary routing number for at least one mobile transceiver to facilitate call set-up; and means for releasing the temporary routing number to make it available for reuse. The present invention also provides a mobile services switching center or exchange for establishing communications with at least one mobile subscriber, this exchange including means for allocating a temporary routing number for at least one mobile subscriber to facilitate call set-up and means for releasing the temporary routing number to make it available for reuse. Still further, the present invention provides a method employed by both the system and the exchange described above.
    Type: Grant
    Filed: June 18, 1992
    Date of Patent: October 4, 1994
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventor: David P. Kunz