Granted Patent
Utility
US 6,121,613 · App. 06/507,628
Forward looking infrared device
Inventor:
Claude E. Tew
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jun 24, 1983
Inventor
Claude E. Tew
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.