Granted Patent
Utility
US 6,255,991 · App. 09/487,507
Low cost angle of arrival measurement system
Inventor:
George L. Hedin
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Jan 19, 2000
Inventor
George L. Hedin
Assignee (at issue)
TRW 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.