Granted Patent
Utility
US 5,703,978 · App. 08/695,180
Temperature insensitive long-period fiber grating devices
Inventors:
David J. DiGiovanni, Justin Boyd Judkins, Janet Renee Pedrazzani, Ashish Madhukar Vengsarkar, Kenneth L. Walker
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Aug 1, 1996
Inventors
David J. DiGiovanni
Justin Boyd Judkins
Janet Renee Pedrazzani
Ashish Madhukar Vengsarkar
Kenneth L. Walker
Assignee (at issue)
LUCENT TECHNOLOGIES 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.