Granted Patent
Utility
US 4,596,022 · App. 06/526,335
FSK data communication system
Inventor:
Donald L. Stoner
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Aug 25, 1983
Inventor
Donald L. Stoner
Assignee (at issue)
The Microperipheral 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.