Granted Patent
Utility
US 6,160,944 · App. 08/945,475
Optical waveguide device
Inventors:
David Neil Payne, Liang Dong, Jose Luis Cruz
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jan 30, 1998
Inventors
David Neil Payne
Liang Dong
Jose Luis Cruz
Assignee (at issue)
University of Southampton
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.