Granted Patent
Utility
US 6,828,642 · App. 09/836,036
Diffraction grating coupled infrared photodetector
Inventors:
Lewis T. Claiborne, Pradip Mitra
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Apr 17, 2001
Inventors
Lewis T. Claiborne
Pradip Mitra
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.