Granted Patent
Utility
US 5,972,115 · App. 08/982,075
Optical fiber preform fabrication installation
Inventors:
Laurent Maurin, Gerard Lavanant, Didier Pezet
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Dec 1, 1997
Inventors
Laurent Maurin
Gerard Lavanant
Didier Pezet
Assignee (at issue)
ALCATEL
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.