Granted Patent
Utility
US 5,158,740 · App. 07/740,343
Fuel rod end plug welding method
Inventor:
David A. Boatwright
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Aug 5, 1991
Inventor
David A. Boatwright
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.