Granted Patent
Utility
US 5,953,472 · App. 09/067,515
Method of and a device for making Bragg gratings in optical fibers or waveguides
Inventors:
Laura Boschis, Oriana Rossotto, Luigi Tallone
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Apr 27, 1998
Inventors
Laura Boschis
Oriana Rossotto
Luigi Tallone
Assignee (at issue)
CSELT-Cento Studi E Laborati Telecomunicazioni S.p.A.
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.