Granted Patent
Utility
US 6,456,427 · App. 09/754,832
Systems and methods for reducing a signal spectrum tilt
Inventors:
Yijiang Chen, John Zyskind, Graeme Pendock
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jan 3, 2001
Inventors
Yijiang Chen
John Zyskind
Graeme Pendock
Assignee (at issue)
Sycamore Networks, Inc.
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.