Granted Patent
Utility
US 4,973,968 · App. 07/313,502
Radar system for determining first time around targets from multiple time around targets
Inventor:
David L. Hurd
Patented Case
View Patent ↗
Granted: Nov 27, 1990
Filed: Feb 22, 1989
Inventor
David L. Hurd
Assignee (at issue)
Plessey Overseas 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.