Granted Patent
Utility
US 5,757,540 · App. 08/716,658
Long-period fiber grating devices packaged for temperature stability
Inventors:
Justin Boyd Judkins, Paul J. Lemaire, Ashish Madhukar Vengsarkar
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Sep 6, 1996
Inventors
Justin Boyd Judkins
Paul J. Lemaire
Ashish Madhukar Vengsarkar
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.