Granted Patent
Utility
US 6,493,474 · App. 09/676,554
Fiber devices based on fiber squeezer polarization controllers
Inventor:
Xiaotian Steve Yao
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Sep 30, 2000
Inventor
Xiaotian Steve Yao
Assignee (at issue)
General Photonics Corporation
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.