Granted Patent
Utility
US 6,011,884 · App. 08/990,197
Integrated bi-directional axial gradient refractive index/diffraction grating wavelength division multiplexer
Inventors:
Robert H. Dueck, Robert K. Wade, Boyd V. Hunter, Joseph R. Dempewolf
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Dec 13, 1997
Inventors
Robert H. Dueck
Robert K. Wade
Boyd V. Hunter
Joseph R. Dempewolf
Assignee (at issue)
LightChip, 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.