Granted Patent
Utility
US 4,560,881 · App. 06/589,183
Method and apparatus for enhanced detection of electromagnetic signals
Inventor:
Jonathan Briggs
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Mar 13, 1984
Inventor
Jonathan Briggs
Assignee (at issue)
Syntex (U.S.A.) LLC
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.