Granted Patent
Utility
US 6,222,111 · App. 08/486,022
Spectrally selective thermopile detector
Inventor:
Mark T. Kern
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jun 7, 1995
Inventor
Mark T. Kern
Assignee (at issue)
Raytheon Company
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.