Granted Patent
Utility
US 6,738,545 · App. 10/100,958
Athermal AWG and AWG with low power consumption using groove of changeable width
Inventors:
Kenneth Purchase, Robert Cole, Anthony J. Ticknor, Kenneth McGreer, Peter D. Ascanio
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Mar 18, 2002
Inventors
Kenneth Purchase
Robert Cole
Anthony J. Ticknor
Kenneth McGreer
Peter D. Ascanio
Assignee (at issue)
LIGHTWAVE MICROSYSTEMS, 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.