Granted Patent
Utility
US 4,806,936 · App. 07/876,948
Method of determining the position of multiple targets using bearing-only sensors
Inventors:
Patrick Williams, Henry A. Heidary
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Jun 20, 1986
Inventors
Patrick Williams
Henry A. Heidary
Assignee (at issue)
Hughes Aircraft 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.