Granted Patent
Utility
US 6,621,960 · App. 10/057,800
Method of fabricating multiple superimposed fiber Bragg gratings
Inventors:
Qinglin Wang, Weiti Wu, Weizhong Li
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Jan 24, 2002
Inventors
Qinglin Wang
Weiti Wu
Weizhong 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.