Granted Patent
Utility
US 6,170,013 · App. 09/049,855
Method and apparatus for controlling access to network information sources
Inventor:
Richard Y. Murata
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Mar 27, 1998
Inventor
Richard Y. Murata
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.