Granted Patent
Utility
US 4,225,864 · App. 06/022,336
Radar signal processors
Inventor:
John Lillington
Patented Case
View Patent ↗
Granted: Sep 30, 1980
Filed: Mar 20, 1979
Inventor
John Lillington
Assignee (at issue)
Plessey Handel Und Investments AG
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.