Granted Patent
Utility
US 4,447,772 · App. 06/305,586
Temperature stable pulse counting FM detector
Inventor:
Ronald V. DeLong
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Sep 25, 1981
Inventor
Ronald V. DeLong
Assignee (at issue)
Motorola, Inc.
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.