Granted Patent
Utility
US 6,829,412 · App. 10/155,234
Lensed tapered optical waveguide
Inventor:
Kenneth Li
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: May 28, 2002
Inventor
Kenneth Li
Assignee (at issue)
WAVIEN, 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.