Granted Patent
Utility
US 4,472,816 · App. 06/418,580
FSK Discriminator
Inventor:
James E. Thompson
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Sep 15, 1982
Inventor
James E. Thompson
Assignee (at issue)
Genrad, 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.