Granted Patent
Utility
US 6,408,118 · App. 09/648,948
Optical waveguide gratings having roughened cladding for reduced short wavelength cladding mode loss
Inventors:
Ashish Ahuja, Benjamin John Eggleton, Jon W. Engelberth, Arturo Hale, Glen Robert Kowach, Sharad Ramanathan, Steven H. Simon, Paul S. Westbrook
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Aug 25, 2000
Inventors
Ashish Ahuja
Benjamin John Eggleton
Jon W. Engelberth
Arturo Hale
Glen Robert Kowach
Sharad Ramanathan
Steven H. Simon
Paul S. Westbrook
Assignee (at issue)
Agere Systems Guardian Corporation
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.