Granted Patent
Utility
US 5,290,730 · App. 07/942,868
Wavelength conversion waveguide and fabrication method
Inventors:
Ross A. McFarlane, Mark Lui
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Sep 10, 1992
Inventors
Ross A. McFarlane
Mark Lui
Assignee (at issue)
Hughes Aircraft Company
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.