Granted Patent
Utility
US 6,690,863 · App. 10/146,346
Waveguide coupler and method for making same
Inventor:
Shrenik Deliwala
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: May 15, 2002
Inventor
Shrenik Deliwala
Assignee (at issue)
SiOptical, 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.