Granted Patent
Utility
US 6,762,879 · App. 09/967,864
Method and system for providing an optical circulator
Inventor:
Wei Li
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Sep 28, 2001
Inventor
Wei Li
Assignee (at issue)
Oplink Communications, LLC
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.