Granted Patent
Utility
US 6,415,080 · App. 09/628,774
Echelle grating dense wavelength division multiplexer/demultiplexer
Inventors:
Andrew D. Sappey, Gerry Murphy
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Jul 29, 2000
Inventors
Andrew D. Sappey
Gerry Murphy
Assignee (at issue)
Zolo 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.