Granted Patent
Utility
US 4,599,098 · App. 06/579,496
Optical fiber and method of producing same
Inventor:
Arnab Sarkar
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Feb 13, 1984
Inventor
Arnab Sarkar
Assignee (at issue)
LIGHTWAVE TECHNOLOGIES
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.