Granted Patent
Utility
US 4,786,909 · App. 06/822,214
Receiving circuit
Inventor:
Alan Payne
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Jan 24, 1986
Inventor
Alan Payne
Assignee (at issue)
EMI, 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.