Granted Patent
Utility
US 5,422,566 · App. 08/069,487
Apparatus and method for sensing DC current in a conductor
Inventor:
Robert A. Boenning
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: Jun 1, 1993
Inventor
Robert A. Boenning
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.