Granted Patent
Utility
US 6,701,045 · App. 09/941,729
Planar optical waveguide dense wavelength division multiplexer
Inventors:
Ying-Tsung Lu, Eric G. Lean, Ching-Chin Wu
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Aug 30, 2001
Inventors
Ying-Tsung Lu
Eric G. Lean
Ching-Chin Wu
Assignee (at issue)
Industrial Technology Research Institute
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.