Granted Patent
Utility
US 6,728,440 · App. 09/896,555
Method and apparatus for multi-pass photonic processors with circulators and multiple-fiber collimators
Inventors:
Shudong Wu, Xiaofan Cao
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 28, 2001
Inventors
Shudong Wu
Xiaofan Cao
Assignee (at issue)
Avanex 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.