Granted Patent
Utility
US 6,508,113 · App. 09/348,318
Method of manufacturing optical fiber
Inventors:
John William Rogerson, Paul DAVIES, John Alfred Hadley
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jul 7, 1999
Inventors
John William Rogerson
Paul DAVIES
John Alfred Hadley
Assignee (at issue)
Pirelli General Plc
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.