Granted Patent
Utility
US 6,131,415 · App. 08/879,348
Method of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.5
Inventors:
Kai Huei Chang, David Kalish, Thomas John Miller, Michael L. Pearsall
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 20, 1997
Inventors
Kai Huei Chang
David Kalish
Thomas John Miller
Michael L. Pearsall
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.