Granted Patent
Utility
US 5,364,427 · App. 08/093,226
Manufacture of optical fiber using sol-gel
Inventor:
James W. Fleming
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Jul 16, 1993
Inventor
James W. Fleming
Assignee (at issue)
AT&T Bell Laboratories
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.