Granted Patent
Utility
US 6,591,301 · App. 09/327,049
Methods and systems for controlling network gatekeeper message processing
Inventors:
Xuewen Li, Samuel H. Christie, IV
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Jun 7, 1999
Inventors
Xuewen Li
Samuel H. Christie, IV
Assignee (at issue)
Nortel Networks Limited
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.