Granted Patent
Utility
US 6,828,166 · App. 10/235,714
Low temperature distributed feedback laser with loss grating and method
Inventors:
Lars Eng, Ram Jambunathan, Kishore Kamath, Alexander J. Robertson, Daniel Paul Wilt
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Sep 6, 2002
Inventors
Lars Eng
Ram Jambunathan
Kishore Kamath
Alexander J. Robertson
Daniel Paul Wilt
Assignee (at issue)
Agere Systems 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.