Granted Patent
Utility
US 6,223,049 · App. 09/142,914
Mobile communication system in which a numbering domain is divided into blocks by the use of indexing rules
Inventors:
Sirpa Aakula, Jouko Ahvenainen
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Dec 14, 1998
Inventors
Sirpa Aakula
Jouko Ahvenainen
Assignee (at issue)
Nikia Telecommunications OY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.