Granted Patent
Utility
US 6,456,825 · App. 09/446,622
Channel allocation in radio telephone systems
Inventor:
Christopher John Lowdon
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Dec 23, 1999
Inventor
Christopher John Lowdon
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.