Granted Patent
Utility
US 5,659,646 · App. 08/378,278
Optical waveguide transition and method of fabricating it
Inventors:
Jean-François Vinchant, Pierre Doussiere
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jan 26, 1995
Inventors
Jean-François Vinchant
Pierre Doussiere
Assignee (at issue)
Alcatel N.V.
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.