Granted Patent
Utility
US 4,379,284 · App. 06/284,261
Coherent phase shift keyed demodulator for power line communication systems
Inventor:
John R. Boykin
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: Jul 17, 1981
Inventor
John R. Boykin
Assignee (at issue)
Westinghouse Electric Company 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.