Granted Patent
Utility
US 4,668,934 · App. 06/663,251
Receiver apparatus for three-phase power line carrier communications
Inventor:
Kenneth C. Shuey
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Oct 22, 1984
Inventor
Kenneth C. Shuey
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.