Granted Patent
Utility
US 5,356,523 · App. 07/882,146
Method of making LiNbO.sub.3 channel optical guides
Inventors:
Antonello Vannucci, Mauro Varasi
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: May 11, 1992
Inventors
Antonello Vannucci
Mauro Varasi
Assignee (at issue)
Alenia Aeritalia & Selenia 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.