Granted Patent
Utility
US 4,747,994 · App. 07/040,696
Reactor trip control with voltage sensing
Inventors:
Robert E. Hager, Jerzy Gutman
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Apr 20, 1987
Inventors
Robert E. Hager
Jerzy Gutman
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.