Granted Patent
Utility
US 6,693,580 · App. 10/235,029
Multifunction millimeter-wave system for radar, communications, IFF and surveillance
Inventor:
John H. Wehling
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Sep 4, 2002
Inventor
John H. Wehling
Assignee (at issue)
NORTHROP GRUMMAN CORPORATION
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.