Granted Patent
Utility
US 5,990,481 · App. 08/919,821
Thermal detector with preferentially-ordered thermally sensitive element and method
Inventor:
Howard R. Beratan
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Aug 28, 1997
Inventor
Howard R. Beratan
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.