Granted Patent
Utility
US 6,728,038 · App. 10/227,844
Low chromatic dispersion filter for WDM
Inventor:
Charles A. Hulse
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 27, 2002
Inventor
Charles A. Hulse
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.