Granted Patent
Utility
US 4,957,693 · App. 07/293,160
Pressurized water nuclear reactor system with hot leg vortex mitigator
Inventor:
Louis Lau
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Jan 3, 1989
Inventor
Louis Lau
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.