Granted Patent
Utility
US 5,573,571 · App. 08/347,978
Method for making optical fiber preforms and optical fibers fabricated therefrom
Inventors:
Nonna Kopylov, Ahmet Refik Kortan
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Dec 1, 1994
Inventors
Nonna Kopylov
Ahmet Refik Kortan
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.