Granted Patent
Utility
US 4,694,263 · App. 06/872,074
Frequency modulation monitor circuit and method
Inventor:
Richard A. Cross
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Jun 9, 1986
Inventor
Richard A. Cross
Assignee (at issue)
Rockwell International Corporation
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.