Granted Patent
Utility
US 4,382,248 · App. 06/252,689
Remote device for a multi-phase power distribution network communication system
Inventor:
Stephen M. Pai
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Apr 9, 1981
Inventor
Stephen M. Pai
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.