Granted Patent
Utility
US 6,452,187 · App. 09/645,377
Two-color grating coupled infrared photodetector
Inventors:
Lewis T. Claiborne, Pradip Mitra
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Aug 24, 2000
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.