Granted Patent
Utility
US 5,282,013 · App. 07/903,921
Passive ranging technique for infrared search and track (IRST) systems
Inventor:
Dennis Gregoris
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Jun 26, 1992
Inventor
Dennis Gregoris
Assignee (at issue)
Spar Aerospace Limited
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.