Granted Patent
Utility
US 6,089,044 · App. 09/036,069
Process for making preforms for multicore optical fibers
Inventors:
Isabelle Hardy, Daniel Boscher, Philippe Grosso
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Mar 6, 1998
Inventors
Isabelle Hardy
Daniel Boscher
Philippe Grosso
Assignee (at issue)
FRANCE TELECOM
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.