Granted Patent
Utility
US 5,800,860 · App. 08/496,268
Method of manufacturing planar optical waveguides
Inventors:
Arnd Kilian, Hyung Jong Lee, John B. MacChesney
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jun 28, 1995
Inventors
Arnd Kilian
Hyung Jong Lee
John B. MacChesney
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.