Granted Patent
Utility
US 6,571,039 · App. 09/718,954
Optical waveguide having a weakly-confining waveguide section and a strongly-confining waveguide section optically coupled by a tapered neck
Inventors:
Kadhair Al-hemyari, Christopher Youtsey
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Nov 22, 2000
Inventors
Kadhair Al-hemyari
Christopher Youtsey
Assignee (at issue)
LNL 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.