Granted Patent
Utility
US 6,738,546 · App. 10/146,350
Optical waveguide circuit including multiple passive optical waveguide devices, and method of making same
Inventor:
Shrenik Deliwala
Patented Case
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Granted: May 18, 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.