Granted Patent
Utility
US 5,789,720 · App. 08/524,667
Method of repairing a discontinuity on a tube by welding
Inventors:
Hermann O. Lagally, Larry M. Kozak, Semur P. Sathi
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Sep 8, 1995
Inventors
Hermann O. Lagally
Larry M. Kozak
Semur P. Sathi
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.