Granted Patent
Utility
US 6,678,445 · App. 09/727,446
Dynamic gain flattening filter
Inventors:
W. John Tomlinson, Valentine N. Morozov, Yevgeniy Churin, Brian L. Heffner, Long Yang, Jinxi Shen
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Dec 4, 2000
Inventors
W. John Tomlinson
Valentine N. Morozov
Yevgeniy Churin
Brian L. Heffner
Long Yang
Jinxi Shen
Assignee (at issue)
JDS Uniphase 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.