Granted Patent
Utility
US 6,148,192 · App. 08/913,868
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Inventor:
Jouko Ahvenainen
Patented Case
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Granted: Nov 14, 2000
Filed: Sep 18, 1997
Inventor
Jouko Ahvenainen
Assignee (at issue)
Nokia 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.