Granted Patent
Utility
US 6,741,813 · App. 09/742,749
Interference-based DWDM optical interleaver using beam splitting and selective phase shifting and re-combining
Inventors:
Zhenpeng Su, Yi Qin, Hongchuan Wang, Zhouzheng Shi
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Dec 20, 2000
Inventors
Zhenpeng Su
Yi Qin
Hongchuan Wang
Zhouzheng Shi
Assignee (at issue)
Nexfon 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.