Granted Patent
Utility
US 6,596,997 · App. 09/921,525
Retro-reflector warm stop for uncooled thermal imaging cameras and method of using the same
Inventor:
Charles S. Kaufman
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Aug 3, 2001
Inventor
Charles S. Kaufman
Assignee (at issue)
Irvine Sensors Corp.
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.