Granted Patent
Utility
US 4,386,354 · App. 06/216,753
Electromagnetic noise suppression
Inventor:
Andrew Watson
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Dec 15, 1980
Inventor
Andrew Watson
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.